Chrysler (FCA USA) will be contacting the owners of certain 2019-2022 Ram 2500, 2019-2022 RAM 3500 and 2021-2022 Dodge Durango cab chassis trucks with GVWR less than 10,000 lbs. These vehicles may have a problem affecting the electronic stability control (ESC) system. The MOPAR ABS control module in the ECS may not comply with the Federal Motor Vehicle Safety Standards (FMVSS) for Electronic Stability Control Systems.
In February 2022, FCA USA Technical Safety and Regulatory Compliance organization recognized that the ESC system malfunction indicator lamp was not illuminating under certain conditions when the ESC system experienced a fault. FMVSS requires that the vehicle must be equipped with a sign that provides a warning to the driver of the occurrence of one or more malfunctions affecting the generation or transmission of control or response signals in the vehicle's electronic stability control system. In March 2022, FCA determined through the Vehicle Regulations Committee to conduct a voluntary safety recall of the affected vehicles.
According to the defect report, “Suspect parts may result in the ESC malfunction indicator lamp not illuminating under certain malfunction conditions that affect the generation or transmission of control or response signals in the vehicle's electronic stability control system, leaving the driver unaware of degraded ESC system performance that is not limiting engine torque during an ESC event. Unexpected performance of the ESC system with no warning to the driver can cause a vehicle crash without prior warning.”
Owners receiving notices will be asked to return to their dealers to have the ABS control module software updated. Chrysler's number for this recall is Z20 and the NHTSA campaign number is 22V-140 and 22E-017.