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Ram 1500 and Jeep Grand Cherokee diesels can stall

NHTSA campaign 23V411000 · Reported 2023-06-08 · Chrysler (FCA US, LLC)

high How serious is it? About this label

Serious: a stall while driving raises the risk of a crash, but the notice does not tell owners to park the vehicle, so drive it to the dealer and get the software update done.

What's wrong, in plain English

These Ram 1500 and Jeep Grand Cherokee trucks with the 3.0-liter diesel engine have a toothed ring on the crankshaft that can come apart in layers. The engine computer reads that ring to time the fuel injectors and the camshaft, so when it breaks down the engine loses its timing and can stall. Dealers will reprogram the engine computer so the vehicle keeps running, free of charge. This recall is an expansion of an earlier one, 20V-475.

What you should do

1. Check your VIN at nhtsa.gov/recalls to confirm your vehicle is covered. 2. Call your Jeep or Ram dealer to schedule the software update, or FCA customer service at 1-800-853-1403, recall number 66A. 3. The reprogramming is free of charge.

Affected vehicles (5)

2018 Jeep Grand Cherokee
2018 RAM 1500
2019 Jeep Grand Cherokee
2019 RAM 1500
2020 Jeep Grand Cherokee

Who to contact

Jeep — official Jeep recall lookup

Customer service: 1-800-853-1403

RAM — official RAM recall lookup

Customer service: 1-800-853-1403

Any franchised dealer for the brand can do the repair. Phone numbers are taken from manufacturer sites and recent NHTSA notices; if one has changed, the number in your own recall letter is the one to use.

The bigger picture

Which Jeep engine recalls cause stalling, fires, or lost power? · all 6 Jeep recalls in this area
Why do Ram diesel engines keep getting stall and fire recalls? · all 7 RAM recalls in this area

Official notice

Component: ENGINE AND ENGINE COOLING
Summary: Chrysler (FCA US, LLC) is recalling certain 2014-2019 Ram 1500 and 2014-2020 Jeep Grand Cherokee vehicles equipped with 3.0L Diesel engines. The crankshaft position sensor tone wheel may delaminate, causing the engine to lose its ability to synchronize the fuel injector pulses and cam shaft timing, possibly resulting in an engine stall.
Safety risk: An engine stall can increase the risk of a crash.
Remedy: Dealers will update the powertrain control module software to maintain vehicle propulsion, free of charge. Interim notification letters, notifying owners of the safety risk, were mailed August 3, 2023. Some owner notification letters were mailed October 31, 2023. The remaining owner notification letters will be mailed at a future date, anticipated July 2024. Owners may contact FCA US, LLC customer service at 1-800-853-1403. FCA US, LLC's number for this recall is 66A. This recall is an expansion of recall 20V-475.

Verify your specific vehicle by VIN at nhtsa.gov. Recall repairs are free of charge by law.