Component
ELECTRICAL SYSTEM:WIRING:RELAYS/SOLENOIDS
Manufacturer
Chrysler (FCA US, LLC)
What Happened
The heater grid relay is a small electrical component in your Ram truck. Its job is to control heat and other systems when the engine is running.
Risk if Unfixed
If the relay fails, it could cause a fire in the engine compartment, even with the ignition turned off. This could lead to serious injury or damage to your vehicle.
Free Fix
Your dealership will replace the faulty relay with a new one, at no cost to you. You should park your truck in a safe location away from flammable materials until the repair is done. The repair is free, and you'll be notified by mail when it's time to schedule it.
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 →