GMC SIERRA 1500 2020

Complete listing of complaints and recalls for this vehicle

438
Complaints
22
Recalls

Complaints & Recalls

438 Complaints 22 Recalls

Official Safety Recalls - Important!

22 Recalls

These are official manufacturer recalls ordered by NHTSA for safety defects. If you own this vehicle, contact your dealer immediately for free repairs.

General Motors, Llc
NHTSA Campaign: 24V797000 SAFETY RECALL
463.3K Vehicles Affected
Recall Date: Oct 24, 2024
Safety Issue:

General Motors, LLC (GM) is recalling certain 2020-2022 Chevrolet Silverado 1500, 2500, 3500, GMC Sierra 1500, 2500, 3500, 2021 Cadillac Escalade, Escalade ESV, Chevrolet Tahoe, Suburban, GMC Yukon, and Yukon XL vehicles equipped with diesel engines. The transmission control valve may fail and cause the rear wheels to lock-up.

Potential Risk:
Rear wheel lock-up can increase the risk of a crash.
FREE Recall Solution:
Dealers will install new transmission control module software, free of charge. GM will provide a special coverage program to cover the repair of transmissions that are identified by the remedy software as containing a defective control valve. Owner notification letters were mailed December 12, 2024. Owners may contact GM customer service at 1-888-988-7267, Cadillac customer service at 1-800-458-8006, GMC customer service at GMC 1-800-462-8782 or Chevrolet customer service at 1-800-222-1020. GM's number for this recall is N242454440.
Additional Details:

Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153) or go to www.nhtsa.gov.

Action Required: Contact your local GMC dealer to schedule your FREE recall repair.
Manufacturer: GMC
Mfg Campaign: N242454440
Notice Date: Dec 12, 2024
Recall Date: Oct 24, 2024
General Motors, Llc
NHTSA Campaign: 21V985000 SAFETY RECALL
626 Vehicles Affected
Recall Date: Dec 16, 2021
Safety Issue:

General Motors (GM) is recalling certain 2019-2021 GMC Sierra 1500 and Silverado 1500 vehicles equipped with certain accessory road tires and a 17" spare tire. The 17" spare tire provided with the vehicle is not compatible for use with the accessory wheels, which can cause the anti-lock brake system (ABS) to not function properly under certain conditions.

Potential Risk:
An ABS system that does not function properly can increase the risk of a crash.
FREE Recall Solution:
Dealers will provide a new 17" spare tire and wheel assembly that is compatible with the accessory wheels, free of charge. Dealers will also apply a new spare tire information label, and provide owners with an owner's manual insert clarifying which spare tire to use with the accessory road tires and with the 17" original tires. Owner notification letters were mailed February 7, 2022. Owners may contact GM customer service at 1-800-462-8782 or GMC customer service at 1-800-462-8782. GM's number for this recall is N212346510.
Additional Details:

Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.nhtsa.gov.

Action Required: Contact your local GMC dealer to schedule your FREE recall repair.
Manufacturer: GMC
Mfg Campaign: N212346510
Notice Date: Feb 7, 2022
Recall Date: Dec 16, 2021
General Motors, Llc
NHTSA Campaign: 21V115000 SAFETY RECALL
33.8K Vehicles Affected
Recall Date: Feb 25, 2021
Safety Issue:

General Motors LLC (GM) is recalling certain 2020 Buick Enclave, Cadillac XT4, XT5, Escalade, Escalade ESV, Chevrolet Suburban, Tahoe, Traverse, GMC Yukon, Yukon XL, 2018-2021 Chevrolet Express, GMC Savana, 2019-2020 Chevrolet Blazer, Silverado 1500, GMC Acadia, Sierra 1500, and certain Continental tires sold to the aftermarket for various model year 2018-2021 vehicles. The affected tires were cured for too long during production.

Potential Risk:
Over cured tires may develop a break in the sidewall resulting in sudden air loss or a belt edge separation which could lead to a tread/belt loss. Either condition can cause a loss of vehicle control, increasing the risk of a crash.
FREE Recall Solution:
GM will notify owners, and dealers will inspect the tires, replacing them as necessary, free of charge. The recall began March 22, 2021. Owners may contact GMC customer service at 1-888-988-7267, Buick customer service at 1-866-608-8080, Chevrolet customer service at 1-800-222-1020 or Cadillac customer service at 1-800-458-8006. GM's number for this recall is N212329050.
Additional Details:

Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.safercar.gov.

Action Required: Contact your local GMC dealer to schedule your FREE recall repair.
Manufacturer: GMC
Mfg Campaign: N212329050
Notice Date: Mar 22, 2021
Recall Date: Feb 25, 2021
General Motors, Llc
NHTSA Campaign: 20V792000 SAFETY RECALL
624.2K Vehicles Affected
Recall Date: Dec 17, 2020
Safety Issue:

General Motors, LLC (GM) is recalling certain 2019-2021 Chevrolet Silverado 1500 and GMC Sierra 1500, 2021 Chevrolet Suburban and Tahoe and GMC Yukon XL and 2020-2021 Chevrolet Silverado 2500 and 3500 and GMC Sierra 2500 and 3500 vehicles. The seat belt brackets may not be secured to the seat frame in the front-row center seating position.

Potential Risk:
If a seat-belt bracket is not secured, the seat belt may not properly restrain an occupant in the front-row center seat position, increasing the risk of injury in a crash.
FREE Recall Solution:
GM will notify owners, and dealers will inspect left-side and right-side front-row center seat-belt bracket attachments and reassemble it correctly as necessary, free of charge. The recall began January 26, 2021. Owners may contact GMC customer service at 1-800-462-8782, Chevrolet customer service at 1-800-222-1020. GM's number for this recall is N202314670.
Additional Details:

Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.safercar.gov.

Action Required: Contact your local GMC dealer to schedule your FREE recall repair.
Manufacturer: GMC
Mfg Campaign: N202314670
Notice Date: Jan 26, 2021
Recall Date: Dec 17, 2020
General Motors Llc
NHTSA Campaign: 20V684000 SAFETY RECALL
7.5K Vehicles Affected
Recall Date: Nov 5, 2020
Safety Issue:

General Motors LLC (GM) is recalling certain 2020 Buick Enclave, Cadillac XT5, GMC Acadia and Chevrolet Traverse vehicles and 2020-2021 Chevrolet Silverado 1500, GMC Sierra 1500 vehicles. The vehicles may have been manufactured with Continental tires that were overcured.

Potential Risk:
Overcured tires may experience a carcass break in the sidewall resulting in a sudden air loss or could develop a belt edge separation which could lead to partial or full tread/belt loss. Either condition increases the risk of a crash.
FREE Recall Solution:
GM will notify owners, and dealers will inspect vehicles and replace tires that have DOT number and production mold number combinations identified by Continental, free of charge. The recall began December 17, 2020. Owners may contact GMC customer service at 1-888-988-7267, Buick customer service at 1-866-608-8080, Chevrolet customer service at 1-800-222-1020 or Cadillac customer service at 1-800-458-8006. GM's number for this recall is N202319030.
Additional Details:

Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.safercar.gov.

Action Required: Contact your local GMC dealer to schedule your FREE recall repair.
Manufacturer: GMC
Mfg Campaign: N202319030
Notice Date: Dec 17, 2020
Recall Date: Nov 5, 2020
General Motors Llc
NHTSA Campaign: 20V650000 SAFETY RECALL
42 Vehicles Affected
Recall Date: Oct 22, 2020
Safety Issue:

General Motors LLC (GM) is recalling certain 2019-2020 Chevrolet Silverado 1500 and GMC Sierra 1500 and 2020 Chevrolet Silverado 2500 trucks. One of the driveshaft joints may not have been properly welded, causing the driveshaft to separate while the vehicle is moving.

Potential Risk:
If the driveshaft separates, there may be a loss of propulsion, increasing the risk of crash.
FREE Recall Solution:
GM will notify owners, and dealers will replace the driveshaft, free of charge. The recall is expected to begin December 2020. Owners may contact Chevrolet customer service at 1-800-222-1020 or GMC customer service at 1-888-988-7267. GM's number for this recall is N202314870.
Additional Details:

Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.safercar.gov.

Action Required: Contact your local GMC dealer to schedule your FREE recall repair.
Manufacturer: GMC
Mfg Campaign: N202314870
Notice Date: Dec 10, 2020
Recall Date: Oct 22, 2020
General Motors Llc
NHTSA Campaign: 20V446000 SAFETY RECALL
769 Vehicles Affected
Recall Date: Jul 30, 2020
Safety Issue:

General Motors, LLC. (GM) is recalling certain 2020 Buick Enclave, Cadillac XT5 and XT6, Chevrolet Blazer, Silverado 1500, 2500 and 3500 and Traverse and GMC Acadia and Sierra 1500, 2500 and 3500 vehicles. The diffuser component of the Roof-Rail Air Bag (RRAB) inflator may not have been properly crimped to the inflator and could separate from the inflator during air bag deployment.

Potential Risk:
If the diffuser separates from the inflator during deployment, RRAB performance may be degraded, increasing the risk of injury in a crash.
FREE Recall Solution:
GM will notify owners, and dealers will replace the suspect RRAB modules, free of charge. The recall began September 3, 2020. Owners may contact Chevrolet customer service at 1-800-630-2438, Cadillac customer service at 1-800-333-4223, or Buick customer service at 1-800-521-7300. GM's number for this recall is N202305380.
Additional Details:

Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.safercar.gov.

Action Required: Contact your local GMC dealer to schedule your FREE recall repair.
Manufacturer: GMC
Mfg Campaign: N202305380
Notice Date: Sep 3, 2020
Recall Date: Jul 30, 2020
General Motors Llc
NHTSA Campaign: 20V116000 SAFETY RECALL
20.4K Vehicles Affected
Recall Date: Feb 27, 2020
Safety Issue:

General Motors LLC (GM) is recalling certain 2020 Chevrolet Silverado 1500 and GMC Sierra 1500 vehicles. The bolts used to attach the front and/or rear brake calipers may have not been heat treated and may break under load.

Potential Risk:
Broken caliper bolts can reduce brake performance or interfere with wheel rotation and increase the risk of a crash.
FREE Recall Solution:
GM will notify owners, and dealers will replace the brake caliper bolts, free of charge. The recall began March 23, 2020. Owners may contact Chevrolet customer service at 1-800-222-1020 or GMC customer service at 1-866-522-9559. GM's number for this recall is N202294420.
Additional Details:

Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.safercar.gov.

Action Required: Contact your local GMC dealer to schedule your FREE recall repair.
Manufacturer: GMC
Mfg Campaign: N202294420
Notice Date: Mar 23, 2020
Recall Date: Feb 27, 2020
General Motors Llc
NHTSA Campaign: 19V888000 SAFETY RECALL
350.4K Vehicles Affected
Recall Date: Dec 12, 2019
Safety Issue:

General Motors LLC (GM) is recalling certain 2019-2020 Chevrolet Silverado 1500 and GMC Sierra 1500 trucks. The battery positive (B+) cable rings may have been manufactured with excessive glue, potentially causing an intermittent electrical connection between the B+ cable and alternator.

Potential Risk:
An intermittent electrical connection between the B+ battery cable and the alternator could cause the vehicle to stall, increasing the risk of a crash. The intermittent connection could also lead to electrical arcing, which could generate sufficient heat to damage surrounding material, increasing the risk of a fire.
FREE Recall Solution:
GM will notify owners, and dealers will inspect for the presence of glue or other contamination at the B+ cable attachment to the alternator and clean the connection and reattach the B+ cable connection, as necessary. If arcing has damaged the cable, nut, or alternator, the dealer will replace the damaged components. All services will be performed free of charge. GM issued owners an interim notification on February 4, 2020. GM issued second notice and the recall began March 9, 2019. Owners may contact Chevrolet customer service at 1-800-222-1020 or GMC customer service at 1-888-988-7267. GM's number for this recall is N192273510.
Additional Details:

Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.safercar.gov.

Action Required: Contact your local GMC dealer to schedule your FREE recall repair.
Manufacturer: GMC
Mfg Campaign: N192273510
Notice Date: Mar 9, 2020
Recall Date: Dec 12, 2019
General Motors Llc
NHTSA Campaign: 19V837000 SAFETY RECALL
502 Vehicles Affected
Recall Date: Nov 21, 2019
Safety Issue:

General Motors LLC (GM) is recalling certain 2020 Cadillac Escalade, Escalade ESV, Chevrolet Camaro, Silverado 1500, Suburban, Tahoe, GMC Sierra 1500, Yukon, and Yukon XL vehicles. The fuel pump may be missing a pressure regulator, allowing for over-pressurization of the fuel system.

Potential Risk:
Over-pressurization can crack the fuel pump and cause leaks, increasing the risk of a fire in the presence of an ignition source.
FREE Recall Solution:
GM will notify owners, and dealers will replace the fuel pump, free of charge. The recall began December 18, 2019. Owners may contact Cadillac customer service at 1-800-333-4223, Chevrolet customer service at 1-800-222-1020, or GMC customer service at 1-888-988-7267. GM's number for this recall is N192283991.
Additional Details:

Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.safercar.gov.

Action Required: Contact your local GMC dealer to schedule your FREE recall repair.
Manufacturer: GMC
Mfg Campaign: N192283991
Notice Date: Dec 18, 2019
Recall Date: Nov 21, 2019
General Motors Llc
NHTSA Campaign: 19V814000 SAFETY RECALL
556.4K Vehicles Affected
Recall Date: Nov 14, 2019
Safety Issue:

General Motors LLC (GM) is recalling certain 2019-2020 Chevrolet Silverado 1500 and GMC Sierra 1500, and 2020 Silverado 2500, Silverado 3500, Sierra 2500, and Sierra 3500 vehicles equipped with carpet floor covering. When the front seat belt pretensioners deploy, hot gas may vent through an opening in the pretensioner bracket, possibly igniting the carpet.

Potential Risk:
A vehicle fire could result if materials ignite inside the vehicle.
FREE Recall Solution:
GM will notify owners, and dealers will close off the opening in the pretensioner bracket, free of charge. The recall began December 13, 2019. Owners may contact Chevrolet customer service at 1-800-222-1020 or GMC customer service at 1-888-988-7267. GM's number for this recall is N192270600.
Additional Details:

Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.safercar.gov.

Action Required: Contact your local GMC dealer to schedule your FREE recall repair.
Manufacturer: GMC
Mfg Campaign: N192270600
Notice Date: Dec 13, 2019
Recall Date: Nov 14, 2019

Consumer Complaints

438 Complaints
General Motors, Llc
Campaign: 11662489 Other
May 22, 2025
Defect Description:

UNKNOWN OR OTHER

Potential Consequences:

Engine light came on while driving / aligned to transmission temp sensor error and brake sensor GM Maintenance was able to diagnosis that the Temperature Loop Coolant Pump had failed and needed to be replaced.

Corrective Action:

Engine light came on while driving / aligned to transmission temp sensor error and brake sensor GM Maintenance was able to diagnosis that the Temperature Loop Coolant Pump had failed and needed to be replaced.

Additional Notes:

Engine light came on while driving / aligned to transmission temp sensor error and brake sensor GM Maintenance was able to diagnosis that the Temperature Loop Coolant Pump had failed and needed to be replaced.

Manufacturer: GMC
Mfg Campaign: 11662489
Notice Date: May 22, 2025
Recall Date: May 22, 2025
General Motors, Llc
Campaign: 11662491 Other
May 22, 2025
Defect Description:

ENGINE

Potential Consequences:

No warning; picking up child from daycare. went to depart daycare when my dash lit up like a Christmas tree with various errors, alerts, warnings; along with, not being able to start. had to be picked up by spouse and get the truck towed to the dealership for maintenance. Maintenance tech discovered that the grounding straps for the truck needed to be replaced / resulting in a complete electrical failure of the vehicle.

Corrective Action:

No warning; picking up child from daycare. went to depart daycare when my dash lit up like a Christmas tree with various errors, alerts, warnings; along with, not being able to start. had to be picked up by spouse and get the truck towed to the dealership for maintenance. Maintenance tech discovered that the grounding straps for the truck needed to be replaced / resulting in a complete electrical failure of the vehicle.

Additional Notes:

No warning; picking up child from daycare. went to depart daycare when my dash lit up like a Christmas tree with various errors, alerts, warnings; along with, not being able to start. had to be picked up by spouse and get the truck towed to the dealership for maintenance. Maintenance tech discovered that the grounding straps for the truck needed to be replaced / resulting in a complete electrical failure of the vehicle.

Manufacturer: GMC
Mfg Campaign: 11662491
Notice Date: May 22, 2025
Recall Date: May 22, 2025
General Motors, Llc
Campaign: 11662491 Other
May 22, 2025
Defect Description:

UNKNOWN OR OTHER

Potential Consequences:

No warning; picking up child from daycare. went to depart daycare when my dash lit up like a Christmas tree with various errors, alerts, warnings; along with, not being able to start. had to be picked up by spouse and get the truck towed to the dealership for maintenance. Maintenance tech discovered that the grounding straps for the truck needed to be replaced / resulting in a complete electrical failure of the vehicle.

Corrective Action:

No warning; picking up child from daycare. went to depart daycare when my dash lit up like a Christmas tree with various errors, alerts, warnings; along with, not being able to start. had to be picked up by spouse and get the truck towed to the dealership for maintenance. Maintenance tech discovered that the grounding straps for the truck needed to be replaced / resulting in a complete electrical failure of the vehicle.

Additional Notes:

No warning; picking up child from daycare. went to depart daycare when my dash lit up like a Christmas tree with various errors, alerts, warnings; along with, not being able to start. had to be picked up by spouse and get the truck towed to the dealership for maintenance. Maintenance tech discovered that the grounding straps for the truck needed to be replaced / resulting in a complete electrical failure of the vehicle.

Manufacturer: GMC
Mfg Campaign: 11662491
Notice Date: May 22, 2025
Recall Date: May 22, 2025
General Motors, Llc
Campaign: 11662494 Other
May 22, 2025
Defect Description:

ELECTRICAL SYSTEM

Potential Consequences:

After repair got a few miles down the road and noticed the volt meter jumping back and forth between the white lines. Line would slowly go up to max line and then slowly drop back down to lower limit and continue to go back and forth. This was very concerning to myself and i was waiting for something to fail while driving. Got about 10 miles away and was to concerned / returned the vehicle Informed by GM Maintenance tech that this is what / how the vehicle is designed and that it is the operating within its parameters. I expressed that only time i noticed something like this was prior to an engine light / electrical failure; however, maintenance team expressed GMs stance that it is operating within tolerance.

Corrective Action:

After repair got a few miles down the road and noticed the volt meter jumping back and forth between the white lines. Line would slowly go up to max line and then slowly drop back down to lower limit and continue to go back and forth. This was very concerning to myself and i was waiting for something to fail while driving. Got about 10 miles away and was to concerned / returned the vehicle Informed by GM Maintenance tech that this is what / how the vehicle is designed and that it is the operating within its parameters. I expressed that only time i noticed something like this was prior to an engine light / electrical failure; however, maintenance team expressed GMs stance that it is operating within tolerance.

Additional Notes:

After repair got a few miles down the road and noticed the volt meter jumping back and forth between the white lines. Line would slowly go up to max line and then slowly drop back down to lower limit and continue to go back and forth. This was very concerning to myself and i was waiting for something to fail while driving. Got about 10 miles away and was to concerned / returned the vehicle Informed by GM Maintenance tech that this is what / how the vehicle is designed and that it is the operating within its parameters. I expressed that only time i noticed something like this was prior to an engine light / electrical failure; however, maintenance team expressed GMs stance that it is operating within tolerance.

Manufacturer: GMC
Mfg Campaign: 11662494
Notice Date: May 22, 2025
Recall Date: May 22, 2025
General Motors, Llc
Campaign: 11662496 Other
May 22, 2025
Defect Description:

ENGINE

Potential Consequences:

Engine light came on and real bad urine smell / burning coming from the vehicle / rough performance. This issue occurred at various speeds / trips / drive types with the only variation being speed from 25MPH to 75MPH. Vehicle went in to discover that the reductant control module software (RCM) out of date, and two NOx sensor failures

Corrective Action:

Engine light came on and real bad urine smell / burning coming from the vehicle / rough performance. This issue occurred at various speeds / trips / drive types with the only variation being speed from 25MPH to 75MPH. Vehicle went in to discover that the reductant control module software (RCM) out of date, and two NOx sensor failures

Additional Notes:

Engine light came on and real bad urine smell / burning coming from the vehicle / rough performance. This issue occurred at various speeds / trips / drive types with the only variation being speed from 25MPH to 75MPH. Vehicle went in to discover that the reductant control module software (RCM) out of date, and two NOx sensor failures

Manufacturer: GMC
Mfg Campaign: 11662496
Notice Date: May 22, 2025
Recall Date: May 22, 2025
General Motors, Llc
Campaign: 11662496 Other
May 22, 2025
Defect Description:

ELECTRICAL SYSTEM

Potential Consequences:

Engine light came on and real bad urine smell / burning coming from the vehicle / rough performance. This issue occurred at various speeds / trips / drive types with the only variation being speed from 25MPH to 75MPH. Vehicle went in to discover that the reductant control module software (RCM) out of date, and two NOx sensor failures

Corrective Action:

Engine light came on and real bad urine smell / burning coming from the vehicle / rough performance. This issue occurred at various speeds / trips / drive types with the only variation being speed from 25MPH to 75MPH. Vehicle went in to discover that the reductant control module software (RCM) out of date, and two NOx sensor failures

Additional Notes:

Engine light came on and real bad urine smell / burning coming from the vehicle / rough performance. This issue occurred at various speeds / trips / drive types with the only variation being speed from 25MPH to 75MPH. Vehicle went in to discover that the reductant control module software (RCM) out of date, and two NOx sensor failures

Manufacturer: GMC
Mfg Campaign: 11662496
Notice Date: May 22, 2025
Recall Date: May 22, 2025
General Motors, Llc
Campaign: 11662496 Other
May 22, 2025
Defect Description:

POWER TRAIN

Potential Consequences:

Engine light came on and real bad urine smell / burning coming from the vehicle / rough performance. This issue occurred at various speeds / trips / drive types with the only variation being speed from 25MPH to 75MPH. Vehicle went in to discover that the reductant control module software (RCM) out of date, and two NOx sensor failures

Corrective Action:

Engine light came on and real bad urine smell / burning coming from the vehicle / rough performance. This issue occurred at various speeds / trips / drive types with the only variation being speed from 25MPH to 75MPH. Vehicle went in to discover that the reductant control module software (RCM) out of date, and two NOx sensor failures

Additional Notes:

Engine light came on and real bad urine smell / burning coming from the vehicle / rough performance. This issue occurred at various speeds / trips / drive types with the only variation being speed from 25MPH to 75MPH. Vehicle went in to discover that the reductant control module software (RCM) out of date, and two NOx sensor failures

Manufacturer: GMC
Mfg Campaign: 11662496
Notice Date: May 22, 2025
Recall Date: May 22, 2025
General Motors, Llc
Campaign: 11662497 Other
May 22, 2025
Defect Description:

ENGINE

Potential Consequences:

Vehicle was going in for warranty recall; however, i requested they look at the DEF system as my DEF gauge would bounce between full and empty; along with, alert me of going into LIMP mode. GM Maintenance updated the recall and noticed that the DEF tank sensor failed and required to be replaced.

Corrective Action:

Vehicle was going in for warranty recall; however, i requested they look at the DEF system as my DEF gauge would bounce between full and empty; along with, alert me of going into LIMP mode. GM Maintenance updated the recall and noticed that the DEF tank sensor failed and required to be replaced.

Additional Notes:

Vehicle was going in for warranty recall; however, i requested they look at the DEF system as my DEF gauge would bounce between full and empty; along with, alert me of going into LIMP mode. GM Maintenance updated the recall and noticed that the DEF tank sensor failed and required to be replaced.

Manufacturer: GMC
Mfg Campaign: 11662497
Notice Date: May 22, 2025
Recall Date: May 22, 2025
General Motors, Llc
Campaign: 11662497 Other
May 22, 2025
Defect Description:

POWER TRAIN

Potential Consequences:

Vehicle was going in for warranty recall; however, i requested they look at the DEF system as my DEF gauge would bounce between full and empty; along with, alert me of going into LIMP mode. GM Maintenance updated the recall and noticed that the DEF tank sensor failed and required to be replaced.

Corrective Action:

Vehicle was going in for warranty recall; however, i requested they look at the DEF system as my DEF gauge would bounce between full and empty; along with, alert me of going into LIMP mode. GM Maintenance updated the recall and noticed that the DEF tank sensor failed and required to be replaced.

Additional Notes:

Vehicle was going in for warranty recall; however, i requested they look at the DEF system as my DEF gauge would bounce between full and empty; along with, alert me of going into LIMP mode. GM Maintenance updated the recall and noticed that the DEF tank sensor failed and required to be replaced.

Manufacturer: GMC
Mfg Campaign: 11662497
Notice Date: May 22, 2025
Recall Date: May 22, 2025
General Motors, Llc
Campaign: 11662497 Other
May 22, 2025
Defect Description:

UNKNOWN OR OTHER

Potential Consequences:

Vehicle was going in for warranty recall; however, i requested they look at the DEF system as my DEF gauge would bounce between full and empty; along with, alert me of going into LIMP mode. GM Maintenance updated the recall and noticed that the DEF tank sensor failed and required to be replaced.

Corrective Action:

Vehicle was going in for warranty recall; however, i requested they look at the DEF system as my DEF gauge would bounce between full and empty; along with, alert me of going into LIMP mode. GM Maintenance updated the recall and noticed that the DEF tank sensor failed and required to be replaced.

Additional Notes:

Vehicle was going in for warranty recall; however, i requested they look at the DEF system as my DEF gauge would bounce between full and empty; along with, alert me of going into LIMP mode. GM Maintenance updated the recall and noticed that the DEF tank sensor failed and required to be replaced.

Manufacturer: GMC
Mfg Campaign: 11662497
Notice Date: May 22, 2025
Recall Date: May 22, 2025
General Motors, Llc
Campaign: 11662500 Other
May 22, 2025
Defect Description:

ELECTRICAL SYSTEM

Potential Consequences:

Engine light would come on for a few days and than turn itself off. this occurred for about 8/9 months; however, instructed by the GM Maintenance department that if the vehicle came in and the light turned off before they got to it i would be charged for the diagnosis and no work would be performed. Engine light came on and i was able to park the vehicle / they picked it up and read it prior to putting in their lot until a tech became available. GM Maintenance was able to diagnosis that there was an issue with the EGR sensor and NOx catalytic converter without filter failed / both items replaced

Corrective Action:

Engine light would come on for a few days and than turn itself off. this occurred for about 8/9 months; however, instructed by the GM Maintenance department that if the vehicle came in and the light turned off before they got to it i would be charged for the diagnosis and no work would be performed. Engine light came on and i was able to park the vehicle / they picked it up and read it prior to putting in their lot until a tech became available. GM Maintenance was able to diagnosis that there was an issue with the EGR sensor and NOx catalytic converter without filter failed / both items replaced

Additional Notes:

Engine light would come on for a few days and than turn itself off. this occurred for about 8/9 months; however, instructed by the GM Maintenance department that if the vehicle came in and the light turned off before they got to it i would be charged for the diagnosis and no work would be performed. Engine light came on and i was able to park the vehicle / they picked it up and read it prior to putting in their lot until a tech became available. GM Maintenance was able to diagnosis that there was an issue with the EGR sensor and NOx catalytic converter without filter failed / both items replaced

Manufacturer: GMC
Mfg Campaign: 11662500
Notice Date: May 22, 2025
Recall Date: May 22, 2025
General Motors, Llc
Campaign: 11662500 Other
May 22, 2025
Defect Description:

ENGINE

Potential Consequences:

Engine light would come on for a few days and than turn itself off. this occurred for about 8/9 months; however, instructed by the GM Maintenance department that if the vehicle came in and the light turned off before they got to it i would be charged for the diagnosis and no work would be performed. Engine light came on and i was able to park the vehicle / they picked it up and read it prior to putting in their lot until a tech became available. GM Maintenance was able to diagnosis that there was an issue with the EGR sensor and NOx catalytic converter without filter failed / both items replaced

Corrective Action:

Engine light would come on for a few days and than turn itself off. this occurred for about 8/9 months; however, instructed by the GM Maintenance department that if the vehicle came in and the light turned off before they got to it i would be charged for the diagnosis and no work would be performed. Engine light came on and i was able to park the vehicle / they picked it up and read it prior to putting in their lot until a tech became available. GM Maintenance was able to diagnosis that there was an issue with the EGR sensor and NOx catalytic converter without filter failed / both items replaced

Additional Notes:

Engine light would come on for a few days and than turn itself off. this occurred for about 8/9 months; however, instructed by the GM Maintenance department that if the vehicle came in and the light turned off before they got to it i would be charged for the diagnosis and no work would be performed. Engine light came on and i was able to park the vehicle / they picked it up and read it prior to putting in their lot until a tech became available. GM Maintenance was able to diagnosis that there was an issue with the EGR sensor and NOx catalytic converter without filter failed / both items replaced

Manufacturer: GMC
Mfg Campaign: 11662500
Notice Date: May 22, 2025
Recall Date: May 22, 2025
General Motors, Llc
Campaign: 11662500 Other
May 22, 2025
Defect Description:

POWER TRAIN

Potential Consequences:

Engine light would come on for a few days and than turn itself off. this occurred for about 8/9 months; however, instructed by the GM Maintenance department that if the vehicle came in and the light turned off before they got to it i would be charged for the diagnosis and no work would be performed. Engine light came on and i was able to park the vehicle / they picked it up and read it prior to putting in their lot until a tech became available. GM Maintenance was able to diagnosis that there was an issue with the EGR sensor and NOx catalytic converter without filter failed / both items replaced

Corrective Action:

Engine light would come on for a few days and than turn itself off. this occurred for about 8/9 months; however, instructed by the GM Maintenance department that if the vehicle came in and the light turned off before they got to it i would be charged for the diagnosis and no work would be performed. Engine light came on and i was able to park the vehicle / they picked it up and read it prior to putting in their lot until a tech became available. GM Maintenance was able to diagnosis that there was an issue with the EGR sensor and NOx catalytic converter without filter failed / both items replaced

Additional Notes:

Engine light would come on for a few days and than turn itself off. this occurred for about 8/9 months; however, instructed by the GM Maintenance department that if the vehicle came in and the light turned off before they got to it i would be charged for the diagnosis and no work would be performed. Engine light came on and i was able to park the vehicle / they picked it up and read it prior to putting in their lot until a tech became available. GM Maintenance was able to diagnosis that there was an issue with the EGR sensor and NOx catalytic converter without filter failed / both items replaced

Manufacturer: GMC
Mfg Campaign: 11662500
Notice Date: May 22, 2025
Recall Date: May 22, 2025
General Motors, Llc
Campaign: 11662504 Other
May 22, 2025
Defect Description:

ENGINE

Potential Consequences:

Engine Light came on, performance rough at various speeds / conditions, and smelled like burning and strong urea smell. GM Maintenance identified a failed DEF injector / replaced

Corrective Action:

Engine Light came on, performance rough at various speeds / conditions, and smelled like burning and strong urea smell. GM Maintenance identified a failed DEF injector / replaced

Additional Notes:

Engine Light came on, performance rough at various speeds / conditions, and smelled like burning and strong urea smell. GM Maintenance identified a failed DEF injector / replaced

Manufacturer: GMC
Mfg Campaign: 11662504
Notice Date: May 22, 2025
Recall Date: May 22, 2025
General Motors, Llc
Campaign: 11662504 Other
May 22, 2025
Defect Description:

ELECTRICAL SYSTEM

Potential Consequences:

Engine Light came on, performance rough at various speeds / conditions, and smelled like burning and strong urea smell. GM Maintenance identified a failed DEF injector / replaced

Corrective Action:

Engine Light came on, performance rough at various speeds / conditions, and smelled like burning and strong urea smell. GM Maintenance identified a failed DEF injector / replaced

Additional Notes:

Engine Light came on, performance rough at various speeds / conditions, and smelled like burning and strong urea smell. GM Maintenance identified a failed DEF injector / replaced

Manufacturer: GMC
Mfg Campaign: 11662504
Notice Date: May 22, 2025
Recall Date: May 22, 2025
General Motors, Llc
Campaign: 11662504 Other
May 22, 2025
Defect Description:

POWER TRAIN

Potential Consequences:

Engine Light came on, performance rough at various speeds / conditions, and smelled like burning and strong urea smell. GM Maintenance identified a failed DEF injector / replaced

Corrective Action:

Engine Light came on, performance rough at various speeds / conditions, and smelled like burning and strong urea smell. GM Maintenance identified a failed DEF injector / replaced

Additional Notes:

Engine Light came on, performance rough at various speeds / conditions, and smelled like burning and strong urea smell. GM Maintenance identified a failed DEF injector / replaced

Manufacturer: GMC
Mfg Campaign: 11662504
Notice Date: May 22, 2025
Recall Date: May 22, 2025
General Motors, Llc
Campaign: 11662251 Other
May 21, 2025
Defect Description:

UNKNOWN OR OTHER

Potential Consequences:

Rear window is leaking top coners from seal or plastic creating black mold inside of truck

Corrective Action:

Rear window is leaking top coners from seal or plastic creating black mold inside of truck

Additional Notes:

Rear window is leaking top coners from seal or plastic creating black mold inside of truck

Manufacturer: GMC
Mfg Campaign: 11662251
Notice Date: May 21, 2025
Recall Date: May 21, 2025
General Motors, Llc
Campaign: 11662292 Other
May 21, 2025
Defect Description:

ENGINE

Potential Consequences:

The contact owns a 2020 GMC Sierra 1500. The contact stated that while driving at an undisclosed speed, the vehicle jerked while accelerating and while coming to a stop. The check engine warning light was illuminated. The vehicle was taken to the dealer, but no cause of failure was found. The vehicle was not repaired. The manufacturer was made aware of the failure. The failure mileage was approximately 65,000.

Corrective Action:

The contact owns a 2020 GMC Sierra 1500. The contact stated that while driving at an undisclosed speed, the vehicle jerked while accelerating and while coming to a stop. The check engine warning light was illuminated. The vehicle was taken to the dealer, but no cause of failure was found. The vehicle was not repaired. The manufacturer was made aware of the failure. The failure mileage was approximately 65,000.

Additional Notes:

The contact owns a 2020 GMC Sierra 1500. The contact stated that while driving at an undisclosed speed, the vehicle jerked while accelerating and while coming to a stop. The check engine warning light was illuminated. The vehicle was taken to the dealer, but no cause of failure was found. The vehicle was not repaired. The manufacturer was made aware of the failure. The failure mileage was approximately 65,000.

Manufacturer: GMC
Mfg Campaign: 11662292
Notice Date: May 21, 2025
Recall Date: May 21, 2025
General Motors, Llc
Campaign: 11662056 Other
May 20, 2025
Defect Description:

ENGINE

Potential Consequences:

Engine started rough idle, reduced power, poor acceleration, ticking and knocking noises, and a check engine light and a few other lights came on the dash. Safety was not a risk at time of incident. Problem has NOT been diagnosed yet BUT have done a ton of research and it’s all leading towards lifter failure/misfire issues. No warning lights or symptoms prior to sudden problems.

Corrective Action:

Engine started rough idle, reduced power, poor acceleration, ticking and knocking noises, and a check engine light and a few other lights came on the dash. Safety was not a risk at time of incident. Problem has NOT been diagnosed yet BUT have done a ton of research and it’s all leading towards lifter failure/misfire issues. No warning lights or symptoms prior to sudden problems.

Additional Notes:

Engine started rough idle, reduced power, poor acceleration, ticking and knocking noises, and a check engine light and a few other lights came on the dash. Safety was not a risk at time of incident. Problem has NOT been diagnosed yet BUT have done a ton of research and it’s all leading towards lifter failure/misfire issues. No warning lights or symptoms prior to sudden problems.

Manufacturer: GMC
Mfg Campaign: 11662056
Notice Date: May 20, 2025
Recall Date: May 20, 2025
General Motors, Llc
Campaign: 11661868 Other
May 19, 2025
Defect Description:

POWER TRAIN

Potential Consequences:

This car had lifter motor failure at 135K miles and Transmission failure at 145k miles, the torque converter of this truck is the culprit of many issues as the lifter issues.

Corrective Action:

This car had lifter motor failure at 135K miles and Transmission failure at 145k miles, the torque converter of this truck is the culprit of many issues as the lifter issues.

Additional Notes:

This car had lifter motor failure at 135K miles and Transmission failure at 145k miles, the torque converter of this truck is the culprit of many issues as the lifter issues.

Manufacturer: GMC
Mfg Campaign: 11661868
Notice Date: May 19, 2025
Recall Date: May 19, 2025

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