Component
ELECTRICAL SYSTEM:WIRING:RELAYS/SOLENOIDS
Manufacturer
Chrysler (FCA US, LLC)
What Happened
The heater grid relay in your Ram truck is a small electrical component that helps control the engine's heater. In certain 2021-2023 models with a Cummins 6.7L Turbo Diesel engine, this relay can malfunction and cause an electrical short.
Risk if Unfixed
If the relay fails, it could cause a fire in the engine compartment, even with the ignition on or off. This could lead to serious injury.
Free Fix
Your dealer will replace the faulty relay with a new one, and the repair is free. You should schedule the repair as soon as you get the recall notice and park your vehicle outside and away from any buildings until the repair is done.
Show original NHTSA language
Original — What Happened
Chrysler (FCA US, LLC) is recalling certain 2021-2023 Ram 2500, 3500, 3500 Cab Chassis, and 4500, 5500 Cab Chassis vehicles equipped with a Cummins 6.7L Turbo Diesel engine. An electrical short may occur in the heater grid relay with the ignition on or off.
Original — Risk if Unfixed
An electrical short in the relay can result in an engine compartment fire with the ignition on or off, increasing the risk of injury.
Original — Remedy
Owners are advised to park outside and away from structures until the recall repair is complete. Dealers will replace the relay, free of charge. This will be a Phased campaign. Phase 1 will include 2023 model year vehicles. FCA US will notify dealers on or about 3/23/2023 and begin notifying owners on or about 4/5/2023. Phase 2 will include 2022 model year vehicles and Phase 3 will include 2021 model year vehicles. FCA US will notify dealers and owners on or about 4/27/2023 for Phase 2 and 5/11/2023 for Phase 3. Interim owner notification letters informing owners of the safety risk were mailed March 28, 2023. Owner notification letters are expected to be mailed April 5, 2023. Owners may contact FCA US, LLC customer service at 1-800-853-1403. FCA US, LLC's number for this recall is 13A. This recall is an expansion of and supersedes recall number 21V-798.
View full recall details →
Repairs are free at any authorized dealer. Find a dealer →