2021 Ram 1500 fuel, hybrid & EV propulsion problems

Related recalls

• Recall 22V767000Oct 13, 202260,413 vehicles
  ENGINE · FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP

  Chrysler (FCA US, LLC) is recalling certain 2020-2022 Jeep Wrangler, Ram 1500, and 2021-2022 Jeep Gladiator vehicles equipped with 3.0L diesel engines. The high pressure fuel pump (HPFP) may fail, causing an engine stall.

  Risk: An engine stall can increase the risk of a crash.

  Remedy: Dealers will replace the HPFP and inspect and replace additional fuel system components, as necessary, free of charge. Owner notification letters were mailed October 17, 2023. Owners may contact Chrysler customer service at 1-800-853-1403. Chrysler's number for this recall is Z96.

What owners say

1. Filed Oct 5, 2026CAFuel, Hybrid & EV Propulsion

   My 2021 Ram 1500 EcoDiesel previously had the federal high-pressure fuel pump safety recall completed (Recall Z96 / NHTSA Campaign 22V767000) on February 12, 2024, where remedy part CSSMZ461-AA was installed. Recently, the vehicle suffered a complete loss of motive power due to a sudden, catastrophic internal failure of this replacement fuel pump. The dealership service department has officially diagnosed the truck and confirmed that the replacement fuel pump blew up…

   NHTSA complaint #11769033 · source
2. Filed Aug 31, 2026CAEngineFuel, Hybrid & EV Propulsion

   This vehicle was subject to NHTSA Recall 22V-767 / Stellantis Recall Z96 for a defective Bosch CP4.2 high-pressure fuel pump (HPFP) known to fail and release metal debris into the fuel system. The recall remedy (HPFP replacement) was performed at an authorized Stellantis/Ram dealership on 3/29/2024. On 8/9/2026, while driving the vehicle suddenly lost engine power and blocked the road in the left lane. The vehicle failed to restart and needed to be towed. The vehicle was…

   NHTSA complaint #11761142 · source
3. Filed Jul 28, 2026CAElectrical SystemEngineFuel, Hybrid & EV Propulsion

   Recently this vehicle has triggered a check engine light. Upon further examination the code was related to an ignition #3. (CODES: P020C, PO1DO).

   NHTSA complaint #11753305 · source
4. Filed Jun 2, 2026CAFuel, Hybrid & EV Propulsion

   My 2021 RAM 1500 ecodiesel was subject to an NHTSA recall (23V-263). The recall included a replacement High pressure fuel pump (HPFP) due to a mechanical defect in the Bosch CP4.2 high-pressure fuel pump (HPFP) that causes the pump to fail prematurely and destroy itself internally. The HPFP was replaced under the recall over two years ago, only for the new fuel pump to fail catastrophically and send parts through the fuel loop. The failure has been confirmed by a…

   NHTSA complaint #11741554 · source
5. Filed Apr 29, 202685,000 miFLTowedFuel, Hybrid & EV Propulsion

   The contact owns a 2021 Ram 1500. The contact stated that the vehicle failed to start and was unable to be jump-started. The vehicle was towed to an independent mechanic to be diagnosed, and it was determined that fuel was not reaching the fuel housing. The contact was informed that the CP4 high-pressure fuel pump was previously replaced under an undisclosed recall in 2024. The vehicle was then towed to the dealer, who had previously completed the recall repair. The contact…

   NHTSA complaint #11734548 · source
6. Filed Apr 24, 2026NMEngineFuel, Hybrid & EV PropulsionOther / Unknown

   The vehicle experienced an overheating condition immediately after being picked up from dealership service on April 11, 2026. Within a short distance of driving, a warning appeared and the vehicle became unsafe to operate, requiring it to be pulled over and towed. The dealership later stated that coolant was low but also reported no leaks. This condition should have been identified and corrected while the vehicle was in their custody prior to release. The failure created a…

   NHTSA complaint #11733482 · source
7. Filed Mar 14, 2026OHEngineFuel, Hybrid & EV PropulsionTransmission & Drivetrain

   Wa driving with cruise on at 60 mph. Truck stalled with no notice, no warning lights or check engine light. All temperatures and pressures seemed okay at time of incident. Could not move electronic shifter into neutral, was stuck in drive. Alarm came up to shift to park, I did not shift due to moving at 55mph at this time. Coasted to a stop on side of the road. At about 2-3 mph, truck automatically shifted to park. I attempted to restart truck but engine just cranked over…

   NHTSA complaint #11724312 · source
8. Filed Jan 27, 2026102,000 miFLEngineFuel, Hybrid & EV Propulsion

   The contact owns a 2021 Ram 1500. The contact stated that while driving 55-60 MPH, the vehicle stalled. There were no warning lights illuminated. The vehicle was taken to the local dealer, who replaced the high-pressure fuel pump under NHTSA Campaign Number: 22V767000 (Fuel System, Gasoline, Engine); with the additional repairs on the low-pressure fuel pump at the Owner's expense. The vehicle was partially repaired. The manufacturer was contacted and opened an investigation.…

   NHTSA complaint #11713579 · source
9. Filed Dec 2, 2025NYFuel, Hybrid & EV Propulsion

   I was suddenly unable to fill the fuel tank of my truck on the way back from a 4 hour road trip in freezing conditions. I was able to get just enough fuel into my vehicle to make it back due to it occurring during a fuel up on the last hour of the drive. However, if this had happened earlier in the drive, I could have been stranded with my family in freezing conditions. There were no warnings and it hadn't been happening prior, other than a half dozen times randomly over the…

   NHTSA complaint #11702473 · source
10. Filed Oct 7, 2025LACrashFuel, Hybrid & EV Propulsion

    Change in acceleration since purchasing truck. Discovered recently the fuel pump was causing the problem. Also the air bag light comes on and warning of a safety issue.

    NHTSA complaint #11691763 · source
11. Filed Sep 29, 2025NHFuel, Hybrid & EV PropulsionAcceleration & Cruise ControlTransmission & Drivetrain

    I was driving on the highway going the speed limit and the car suddenly slowed to 35 and all sorts of lights (check engine light and others) came on and messages went across the screen about the throttle control and stability control. This is the 4th time this has happened to me. Each time I bring it to the dealer and am told "its a known computer glitch" or that there is a fix but it continues to happen again. Suddenly losing power and speed has caused other drivers to slam…

    NHTSA complaint #11690329 · source
12. Filed Sep 19, 2025TXFuel, Hybrid & EV Propulsion

    My vehicle is currently at the service department of a dealership by my, Covert CDJR Bee Cave, due to two codes that recently set: P0EA7 and P026E. Mopar/Stellantis issues a TSB for this issue. Number 07-003-22. This is a known and documented issued but if your vehicle is outside the original 36 month, 36k mile warranty they will not cover it. This issue is not from wear and tear it is a defect and flaw in the original design. I have requested good will coverage and up to…

    NHTSA complaint #11688384 · source

Source: U.S. National Highway Traffic Safety Administration (NHTSA) Office of Defects Investigation public data. Complaints are submitted by owners and are not verified by NHTSA or by us; a complaint does not prove a defect exists. View this vehicle on NHTSA.gov Methodology