Complaints & Recalls
Consumer Complaints
2 ComplaintsDaimler Trucks North America, Llc
Defect Description:
FUEL/PROPULSION SYSTEM
Potential Consequences:
The after treatment emission system DEF sensors failed. The failed part may be available from Freightliner, but it was under warranty and I they retained the failed part. (Freightliner part # 04-31353-003.) Note: the DEF after treatment system was functioning properly, but sensors monitoring tank level, temperature, and quality failed, sending false info to the ECM that the DEF level was low/empty and quality was out of range/poor. This results in an engine derate that leaves the vehicle unable to go above 5 mph. The safety issue is from a mandatory engine derate that leaves the driver only able to reach 5 mph. On an interstate highway with nowhere to pull off, this puts the occupants of the vehicle and other vehicles on the road in danger. This problem has been reproduced by the manufacturer, Freightliner. The "DEF head(er)" unit has proven to have a high failure rate and replacement takes weeks or months because of parts shortages. The part needs to be recalled and the warranty on it needs to be extended until a revised part is available. Currently, the new parts fail at the same rate as the ones being replaced. My warranty will expire in 1 year and this repair would cost $2,000-3,000. There is extensive information on this issue in RV forums. Here is one example: https://www.irv2.com/forums/f26/are-freightliner-chassis-having-def-sensor-problems-518491.html The component has been inspected by the manufacturer's service center, Freightliner. There were no warning lamps, messages, or symptoms before the failure. Warning messages appeared suddenly at the time of failure on 9/29/2021.
Corrective Action:
The after treatment emission system DEF sensors failed. The failed part may be available from Freightliner, but it was under warranty and I they retained the failed part. (Freightliner part # 04-31353-003.) Note: the DEF after treatment system was functioning properly, but sensors monitoring tank level, temperature, and quality failed, sending false info to the ECM that the DEF level was low/empty and quality was out of range/poor. This results in an engine derate that leaves the vehicle unable to go above 5 mph. The safety issue is from a mandatory engine derate that leaves the driver only able to reach 5 mph. On an interstate highway with nowhere to pull off, this puts the occupants of the vehicle and other vehicles on the road in danger. This problem has been reproduced by the manufacturer, Freightliner. The "DEF head(er)" unit has proven to have a high failure rate and replacement takes weeks or months because of parts shortages. The part needs to be recalled and the warranty on it needs to be extended until a revised part is available. Currently, the new parts fail at the same rate as the ones being replaced. My warranty will expire in 1 year and this repair would cost $2,000-3,000. There is extensive information on this issue in RV forums. Here is one example: https://www.irv2.com/forums/f26/are-freightliner-chassis-having-def-sensor-problems-518491.html The component has been inspected by the manufacturer's service center, Freightliner. There were no warning lamps, messages, or symptoms before the failure. Warning messages appeared suddenly at the time of failure on 9/29/2021.
Additional Notes:
The after treatment emission system DEF sensors failed. The failed part may be available from Freightliner, but it was under warranty and I they retained the failed part. (Freightliner part # 04-31353-003.) Note: the DEF after treatment system was functioning properly, but sensors monitoring tank level, temperature, and quality failed, sending false info to the ECM that the DEF level was low/empty and quality was out of range/poor. This results in an engine derate that leaves the vehicle unable to go above 5 mph. The safety issue is from a mandatory engine derate that leaves the driver only able to reach 5 mph. On an interstate highway with nowhere to pull off, this puts the occupants of the vehicle and other vehicles on the road in danger. This problem has been reproduced by the manufacturer, Freightliner. The "DEF head(er)" unit has proven to have a high failure rate and replacement takes weeks or months because of parts shortages. The part needs to be recalled and the warranty on it needs to be extended until a revised part is available. Currently, the new parts fail at the same rate as the ones being replaced. My warranty will expire in 1 year and this repair would cost $2,000-3,000. There is extensive information on this issue in RV forums. Here is one example: https://www.irv2.com/forums/f26/are-freightliner-chassis-having-def-sensor-problems-518491.html The component has been inspected by the manufacturer's service center, Freightliner. There were no warning lamps, messages, or symptoms before the failure. Warning messages appeared suddenly at the time of failure on 9/29/2021.
Mfg Campaign: 11435416
Recall Date: Oct 4, 2021
Daimler Trucks North America, Llc
Defect Description:
UNKNOWN OR OTHER
Potential Consequences:
The after treatment emission system DEF sensors failed. The failed part may be available from Freightliner, but it was under warranty and I they retained the failed part. (Freightliner part # 04-31353-003.) Note: the DEF after treatment system was functioning properly, but sensors monitoring tank level, temperature, and quality failed, sending false info to the ECM that the DEF level was low/empty and quality was out of range/poor. This results in an engine derate that leaves the vehicle unable to go above 5 mph. The safety issue is from a mandatory engine derate that leaves the driver only able to reach 5 mph. On an interstate highway with nowhere to pull off, this puts the occupants of the vehicle and other vehicles on the road in danger. This problem has been reproduced by the manufacturer, Freightliner. The "DEF head(er)" unit has proven to have a high failure rate and replacement takes weeks or months because of parts shortages. The part needs to be recalled and the warranty on it needs to be extended until a revised part is available. Currently, the new parts fail at the same rate as the ones being replaced. My warranty will expire in 1 year and this repair would cost $2,000-3,000. There is extensive information on this issue in RV forums. Here is one example: https://www.irv2.com/forums/f26/are-freightliner-chassis-having-def-sensor-problems-518491.html The component has been inspected by the manufacturer's service center, Freightliner. There were no warning lamps, messages, or symptoms before the failure. Warning messages appeared suddenly at the time of failure on 9/29/2021.
Corrective Action:
The after treatment emission system DEF sensors failed. The failed part may be available from Freightliner, but it was under warranty and I they retained the failed part. (Freightliner part # 04-31353-003.) Note: the DEF after treatment system was functioning properly, but sensors monitoring tank level, temperature, and quality failed, sending false info to the ECM that the DEF level was low/empty and quality was out of range/poor. This results in an engine derate that leaves the vehicle unable to go above 5 mph. The safety issue is from a mandatory engine derate that leaves the driver only able to reach 5 mph. On an interstate highway with nowhere to pull off, this puts the occupants of the vehicle and other vehicles on the road in danger. This problem has been reproduced by the manufacturer, Freightliner. The "DEF head(er)" unit has proven to have a high failure rate and replacement takes weeks or months because of parts shortages. The part needs to be recalled and the warranty on it needs to be extended until a revised part is available. Currently, the new parts fail at the same rate as the ones being replaced. My warranty will expire in 1 year and this repair would cost $2,000-3,000. There is extensive information on this issue in RV forums. Here is one example: https://www.irv2.com/forums/f26/are-freightliner-chassis-having-def-sensor-problems-518491.html The component has been inspected by the manufacturer's service center, Freightliner. There were no warning lamps, messages, or symptoms before the failure. Warning messages appeared suddenly at the time of failure on 9/29/2021.
Additional Notes:
The after treatment emission system DEF sensors failed. The failed part may be available from Freightliner, but it was under warranty and I they retained the failed part. (Freightliner part # 04-31353-003.) Note: the DEF after treatment system was functioning properly, but sensors monitoring tank level, temperature, and quality failed, sending false info to the ECM that the DEF level was low/empty and quality was out of range/poor. This results in an engine derate that leaves the vehicle unable to go above 5 mph. The safety issue is from a mandatory engine derate that leaves the driver only able to reach 5 mph. On an interstate highway with nowhere to pull off, this puts the occupants of the vehicle and other vehicles on the road in danger. This problem has been reproduced by the manufacturer, Freightliner. The "DEF head(er)" unit has proven to have a high failure rate and replacement takes weeks or months because of parts shortages. The part needs to be recalled and the warranty on it needs to be extended until a revised part is available. Currently, the new parts fail at the same rate as the ones being replaced. My warranty will expire in 1 year and this repair would cost $2,000-3,000. There is extensive information on this issue in RV forums. Here is one example: https://www.irv2.com/forums/f26/are-freightliner-chassis-having-def-sensor-problems-518491.html The component has been inspected by the manufacturer's service center, Freightliner. There were no warning lamps, messages, or symptoms before the failure. Warning messages appeared suddenly at the time of failure on 9/29/2021.
Mfg Campaign: 11435416
Recall Date: Oct 4, 2021
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