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RAM 2500 Recall 21V798: Electrical Short Can Cause Fire, Even With Engine Off

NHTSA campaign 21V798, reported October 14, 2021, 131,177 vehicles potentially affected.

What this recall means for you

Certain heavy-duty Ram pickups and cab chassis vehicles with the Cummins 6.7L Turbo Diesel engine may have an electrical short in the Solid State Intake Heater Grid Relay. The short can cause a vehicle fire whether the ignition is on or off, which increases the risk of injury.

Until the vehicle has been remedied, park it outside of buildings or structures and away from other vehicles. At an authorized dealer, the Solid State Intake Heater Grid Relay will be inspected and replaced if needed. If the related earlier recall (FCA US Recall ID Y08, NHTSA Recall ID 21V-163) is still open on your vehicle, insulating material will also be applied to the relay after inspection. The repair is free. Owners may contact FCA US, LLC customer service at 1-800-853-1403, referencing recall number Y76. This recall has been superseded by 23V060, so also check your VIN for open recalls.

Check whether this recall is open on your vehicle

The repair is normally free at an authorized dealer.

Official recall notice

Safety recall 21V798Chrysler (FCA US, LLC)
Component
ELECTRICAL SYSTEM:WIRING:RELAYS/SOLENOIDS
Problem
Chrysler (FCA US, LLC) is recalling certain 2021-2022 Ram 3500, 2500 pickup trucks, and Ram 3500, 4500, and 5500 cab chassis vehicles equipped with Cummins 6.7L Turbo Diesel engines. An electrical short in the relay may cause a vehicle fire with the ignition on or off.
Risk
A vehicle fire increases the risk of injury.
Remedy
Owners are advised to park these vehicles outside of buildings or structures, and not near other vehicles, until the vehicle has been remedied. Dealers will inspect and, if needed, replace the Solid State Intake Heater Grid Relay ("Relay"); if FCA US Recall ID Y08 (NHTSA Recall ID 21V-163) is open, then insulating material will be applied to the Relay after inspection. Owner notification letters were mailed November 10, 2021. Owners may contact FCA US, LLC customer service at 1-800-853-1403. FCA US, LLC's number for this recall is Y76. This recall has been superseded by 23V060.
Notes
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.

Affected vehicles

RAM 250020212022
RAM 350020212022
RAM 450020212022
RAM 550020212022