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    Stellantis Recalls Ram Heavy-Duty Diesel Trucks to Fix Overheating Problem

    In some cases, the vehicles could catch fire

    2022 Ram heavy duty truck Cummins diesel badge Photo: Ram

    Ram, a division of parent company Stellantis, announced the recall of about 306,165 Ram heavy-duty diesel trucks to address a problem with a heater-grid relay. The relays could overheat, increasing the risk of a fire. The automaker has said that it’s aware of six instances of vehicles catching fire because of this problem, with five of the incidents occurring when the vehicles were running.

    The trucks involved in the recall are Ram 2500 and 3500 pickup trucks and 3500, 4500, and 5500 cab chassis trucks (vehicles built without a pickup truck bed) from the 2021 through 2023 model years. All of the recalled vehicles are equipped with 6.7-liter Cummins diesel engines and use an older heater-grid relay that was part of a prior recall.

    The automaker advises owners not to park their vehicles indoors. Ram stated that the company isn’t aware of any related injuries or crashes.

    Owners can check to see if their vehicle is part of the recall by inputting their vehicle identification number (VIN) at mopar.com/recalls or nhtsa.gov.

    Learn more about car recalls at CR’s guide to recalls.

    The Details

    Vehicles recalled: About 306,165 Ram 2500 and 3500 diesel pickup trucks and Ram 3500, 4500, and 5500 diesel cab chassis trucks from the 2021 through 2023 model years.

    The problem: A heater-grid relay could overheat, increasing the risk of a fire.

    The fix: The automaker didn’t announce a repair when it issued the recall.

    How to contact the manufacturer: Owners can call Ram at 800-853-1403 or check to see if their vehicle is part of the recall by inputting their vehicle identification number (VIN) at mopar.com/recalls or nhtsa.gov. The automaker expects to notify owners beginning in March 2023.

    NHTSA campaign number: NHTSA and the automaker haven’t issued campaign numbers at this time.

    Check to see whether your vehicle has an open recall: NHTSA’s website will tell you whether your vehicle has any open recalls that need to be addressed.

    If you plug your car’s 17-digit vehicle identification number (VIN) into NHTSA’s website and a recall doesn’t appear, it means your vehicle doesn’t currently have one. Because automakers issue recalls often, and for many older vehicles, we recommend checking back regularly.

    Stay informed about recalls that might affect your vehicle by using our Car Recall Tracker.

    Create a free account now to become a CR member.


    Jon Linkov

    I owe my career to two fateful events: my father buying a 1965 Corvette and my purchase of an Audi A4 rather than a Chevy Tahoe. The Corvette jump-started my love of cars, and the Audi led me to automotive journalism, track days, and amateur car repair. In my free time I cycle as much as possible, no matter the season.