Air suspension freezes making is useless. This is dangerous and causes back injuries. Parking vehicle in warm garage thaws it but it refreezes quickly outside in use.
2020 RAM 1500
Owner reports · Recalls · Investigations
Similar to other model years
Owner complaints for the 2020 RAM 1500 do not stand out strongly from the model-year median of 616.
About this comparison →How this year compares
Owner complaints by model year
Compare all 1500 years →Counts vary with age, sales and reporting. They are not failure rates.
What owners reported most
All reported categories
Tap a category to read its complaints. One report may name several components.
When problems were reported
Mileage at the reported incident
180 reports with mileage · 445 unknown
NHTSA’s mileage field refers to the reported incident, not necessarily the filing date. This shows report counts, not the likelihood of a failure.
What to inspect
Issues worth paying extra attention to based on owner reports.
- Electrical System. Review the 160 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
- Engine. Review the 155 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
- Power Train. Review the 62 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
NHTSA owner reports · September 18, 2026 snapshot.
Suspension complaints
14 reportsThe rear driver-side wheel detached from the axle, resulting in an immediate loss of vehicle control. As a result, the truck left the roadway. The detached wheel landedapproximately 150 feet behind the vehicle, on the opposite side of the road from where the truck ultimately stopped. Insurance has not yet completed its inspecti…
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The rear driver-side wheel detached from the axle, resulting in an immediate loss of vehicle control. As a result, the truck left the roadway. The detached wheel landedapproximately 150 feet behind the vehicle, on the opposite side of the road from where the truck ultimately stopped. Insurance has not yet completed its inspection of the vehicle; however, the crack and damage to the wheel were observed at the scene by a volunteer firefighter, the responding officer, and the tow truck operator. Additionally, an independent witness reported that the truck appeared to abruptly lift off the roadway, as though something suddenly caused it to “go flying.” Due to the sudden nature of the incident, no warning lights illuminated prior to the loss of control. All airbags deployed during the incident. The tailgate was dislodged, and the driver’s side of the truck sustained severe damage, including significant damage to the axle. The vehicle is not operable. While insurance has indicated the truck will likely be deemed a total loss, the claim has not yet been finalized. Video documentation is available showing the location of the detached wheel relative to the truck’s final resting position.
Spring of the driver side strut collapsed at 34,000 miles.
MY STABILITY CONTROL WARNING IS CONSTANTLY GOING ON
Push start button failed during highway driving and cause the engine shut down /lost power After dealer checked: they said: - the push button stuck - air damp cannot close - CV Axis loose (safety concern) The truck is less than 5 years and only 69K miles. The quality of the truck is not realiable.
The contact owns a 2020 Ram 1500. The contact stated while driving approximately 40 MPH, there was a dip in the road and the upper ball joint came out of the socket and the tire was pushed under the vehicle. The vehicle slid approximately 100 ft and came to a stop. The vehicle was towed to a dealer where it was diagnosed that th…
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The contact owns a 2020 Ram 1500. The contact stated while driving approximately 40 MPH, there was a dip in the road and the upper ball joint came out of the socket and the tire was pushed under the vehicle. The vehicle slid approximately 100 ft and came to a stop. The vehicle was towed to a dealer where it was diagnosed that the brake line, both control arms, and the trans axle needed to be replaced. The vehicle was not repaired. The vehicle was then towed to another dealer where it was diagnosed and determined that the brake line, lower control arm, and the trans axle needed to be replaced. The vehicle was repaired. The manufacturer was notified of the failure. The failure mileage was 57,000.
The bags or compressor failed. Dealer could not diagnose which is a common problem. They just change parts and charge you until it’s corrected. Safety factor is off the charts because it makes it undrivable if it loses pressure with no warning. No lights or warning and front will slowly lose pressure until it bottoms out
While traveling down C470 Eastbound my truck experienced some type of mechanical failure. While on the corner above the bridge for Wadsworth Avenue I felt a sudden loss of control with the truck pulling to the right side of the highway. I immediately took action to pull the truck off the highway while also wrestling for control …
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While traveling down C470 Eastbound my truck experienced some type of mechanical failure. While on the corner above the bridge for Wadsworth Avenue I felt a sudden loss of control with the truck pulling to the right side of the highway. I immediately took action to pull the truck off the highway while also wrestling for control of the steering to keep the truck from running into the barrier and off the bridge. I was able to bring the truck to a stop just following the bridge (About 100ft). Upon inspection I found the right front tire had folded under itself. It seemed that the upper control arm on the vehicle snapped, pulling out the drive shaft in the process and damaging items like the steering linkage, brakes, tire, brakeline, etc. Dealership diagnosis was: Found right front upper ball joint separated causing excessive damage to the front end components. Only additional work that has been done to the truck was by MOPAR with their 2 inch lift kit, certified by Fiat Chrysler and Mopar for this specific truck. Kit number 77072424 SUSP KIT-LIFT. Dealership did inspection of vehicle 2 days prior to incident with no issues found. I was not able to attach pictures and PDFs to this form
The contact owns a 2020 Ram1500. The contact stated that while driving at various speeds, the brakes applied independently without being depressed. There was no warning light illuminated. While driving over a bump in the roadway, the vehicle inadvertently shifted lanes and the vehicle became uncontrollable. The contact stated th…
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The contact owns a 2020 Ram1500. The contact stated that while driving at various speeds, the brakes applied independently without being depressed. There was no warning light illuminated. While driving over a bump in the roadway, the vehicle inadvertently shifted lanes and the vehicle became uncontrollable. The contact stated that the vehicle experienced the death wobble and the vehicle spun out of control and was almost struck by another vehicle. The contact was provided a police escort to the dealer. The 4WD, ABS, and service engine warning lights were illuminated. The vehicle was taken to the local dealer who stated that the tires needed to be replaced. The vehicle was diagnosed, and it was determined that an unknown module needed to be replaced. The dealer also recommended that the tires be replaced for better performance. The vehicle was repaired but the failure recurred. The vehicle was taken to a tire shop and the tires were replaced but the failure persisted. While driving at an undisclosed speed, the contact was unable to control the vehicle on several occasions. The vehicle was taken to the dealer, who stated that the front passenger’s side tire needed to be replaced. The manufacturer was contacted and opened a case and referred the contact to the local dealer. The manufacturer closed the case after speaking with the dealer. The failure mileage was approximately 15,000.
When turn I hear a rubbing grinding sound and the right front wheel shudders and vibrates when driving
Official recalls
1426V495000 · Seat Belts:rear/other:anchorage
Jul 30, 2026
Chrysler (FCA US, LLC) is recalling certain 2019-2026 Ram 1500 vehicles. The second-row center and left-side seat belt buckle anchors may have been improperly installed. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 210, "Seat Belt Assembly Anchorages."
Consequence & remedy
Consequence: An improperly installed seat belt buckle anchor may fail to properly restrain occupants, increasing the risk of injury during a crash.
Remedy: Dealers will inspect and attach the seat belt buckle anchor to the body structure as necessary, free of charge. Owner notification letters are expected to be mailed August 18, 2026. Owners may contact Chrysler customer service at 1-800-853-1403. Chrysler's number for this recall is 67D. Vehicle Identification Numbers (VINs) involved in this recall will be searchable on NHTSA.gov on August 6, 2026.
25V298000 · Air Bags; Electrical System:wiring
May 8, 2025
Chrysler (FCA US, LLC) is recalling certain 2019-2024 Ram 1500 vehicles. The driver's side air bag may not be connected properly, which can cause the air bag not to deploy as intended. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 208, "Occupant Crash Protection."
Consequence & remedy
Consequence: A driver's side air bag that does not deploy as intended increases the risk of injury in a crash.
Remedy: Dealers secured the connectors for the air bag, free of charge. All vehicles have been remedied. Owner notification letters were mailed May 27, 2025. Owners may contact Chrysler customer service at 800-853-1403. Chrysler's number for this recall is 08C.
Additional source detail variants (2)
Air Bags
Chrysler (FCA US, LLC) is recalling certain 2019-2024 Ram 1500 vehicles. The driver's side air bag may not be connected properly, which can cause the air bag not to deploy as intended. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 208, "Occupant Crash Protection."
Consequence: A driver's side air bag that does not deploy as intended increases the risk of injury in a crash.
Remedy: Dealers secured the connectors for the air bag, free of charge. All vehicles have been remedied. Owner notification letters were mailed May 27, 2025. Owners may contact Chrysler customer service at 800-853-1403. Chrysler's number for this recall is 08C.
Electrical System:wiring
Chrysler (FCA US, LLC) is recalling certain 2019-2024 Ram 1500 vehicles. The driver's side air bag may not be connected properly, which can cause the air bag not to deploy as intended. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 208, "Occupant Crash Protection."
Consequence: A driver's side air bag that does not deploy as intended increases the risk of injury in a crash.
Remedy: Dealers secured the connectors for the air bag, free of charge. All vehicles have been remedied. Owner notification letters were mailed May 27, 2025. Owners may contact Chrysler customer service at 800-853-1403. Chrysler's number for this recall is 08C.
24V754000 · Visibility:rearview Mirrors/devices
Oct 10, 2024
Chrysler (FCA US, LLC) is recalling certain 2020-2023 Ram 1500 Classic vehicles equipped with heated trailer tow rearview mirrors. The mirror glass may detach from the driver's side heated trailer tow rearview mirror. As such these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 111, "Rear Visibility."
Consequence & remedy
Consequence: Detached mirror glass can reduce driver visibility, increasing the risk of a crash.
Remedy: Dealers will replace the mirror glass, free of charge. Owner notification letters were mailed December 5, 2024. Owners may contact FCA Customer Service at 1-800-853-1403. FCA's number for this recall is 86B.
22V904000 · Structure:body:tailgate:hinge And Attachments
Dec 8, 2022
Chrysler (FCA US, LLC) is recalling certain 2019-2022 Ram 1500, 2500, and 3500 pickup trucks. The tailgate may not latch properly due to misaligned tailgate strikers, which could result in the tailgate opening while driving.
Consequence & remedy
Consequence: An unintended tailgate opening while driving may result in a loss of unsecured cargo, possibly creating a road hazard and increasing the risk of a crash.
Remedy: Dealers will inspect the tailgate striker alignment to the box latch and adjust, if necessary, free of charge. Owner notification letters were mailed December 22, 2022. Owners may contact FCA US, LLC customer service at 1-800-853-1403. FCA US, LLC's number for this recall is ZB8.
22V767000 · Engine; Fuel System, Gasoline:delivery:fuel Pump
Oct 13, 2022
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.
Consequence & remedy
Consequence: 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.
Additional source detail variants (2)
Engine
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.
Consequence: 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.
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.
Consequence: 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.
22V638000 · Back Over Prevention:display Function
Aug 25, 2022
Chrysler (FCA US, LLC) is recalling certain 2020-2021 Jeep Wrangler, RAM 1500 and 2021 Jeep Gladiator vehicles. A radio software error may prevent the rearview image from displaying. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 111, "Rear Visibility."
Consequence & remedy
Consequence: A rearview camera that does not display an image reduces the driver's rear view, increasing the risk of a crash.
Remedy: Dealers will update the radio software, free of charge. Owner notification letters were mailed October 6, 2022. Owners may contact FCA US, LLC customer service at 1-800-853-1403. FCA, LLC's number for this recall is Z86.
21V632000 · Air Bags:side/window:curtain; Air Bags:side/window:curtain:inflator
Aug 12, 2021
Chrysler (FCA US, LLC) is recalling certain 2015-2020 Ram 1500 Classic, 2015-2016 Ram 3500, and Ram 2500 vehicles, and 2016 Ram 3500 Cab Chassis with a gross vehicle weight rating less than 10,000 lbs. The side air bag inflatable curtain (SABIC) inflator end cap may detach from the inflator, or the inflator sidewall may rupture.
Consequence & remedy
Consequence: A separated inflator end cap or inflator rupture can allow compressed gas to escape, resulting in the end cap or other components being propelled into the vehicle, increasing the risk of injury or crash.
Remedy: Dealers will inspect and replace as necessary, the SABIC assemblies, free of charge. Interim owner notification letters were mailed on October 4, 2021. Owner notification letters were mailed on May 26, 2022. Owners may contact FCA US, LLC customer service at 1-800-853-1403. FCA US, LLC's number for this recall is Y55.
Additional source detail variants (2)
Air Bags:side/window:curtain:inflator
Chrysler (FCA US, LLC) is recalling certain 2015-2020 Ram 1500 Classic, 2015-2016 Ram 3500, and Ram 2500 vehicles, and 2016 Ram 3500 Cab Chassis with a gross vehicle weight rating less than 10,000 lbs. The side air bag inflatable curtain (SABIC) inflator end cap may detach from the inflator, or the inflator sidewall may rupture.
Consequence: A separated inflator end cap or inflator rupture can allow compressed gas to escape, resulting in the end cap or other components being propelled into the vehicle, increasing the risk of injury or crash.
Remedy: Dealers will inspect and replace as necessary, the SABIC assemblies, free of charge. Interim owner notification letters were mailed on October 4, 2021. Owner notification letters were mailed on May 26, 2022. Owners may contact FCA US, LLC customer service at 1-800-853-1403. FCA US, LLC's number for this recall is Y55.
Air Bags:side/window:curtain
Chrysler (FCA US, LLC) is recalling certain 2015-2020 Ram 1500 Classic, 2015-2016 Ram 3500, and Ram 2500 vehicles, and 2016 Ram 3500 Cab Chassis with a gross vehicle weight rating less than 10,000 lbs. The side air bag inflatable curtain (SABIC) inflator end cap may detach from the inflator, or the inflator sidewall may rupture.
Consequence: A separated inflator end cap or inflator rupture can allow compressed gas to escape, resulting in the end cap or other components being propelled into the vehicle, increasing the risk of injury or crash.
Remedy: Dealers will inspect and replace as necessary, the SABIC assemblies, free of charge. Interim owner notification letters were mailed on October 4, 2021. Owner notification letters were mailed on May 26, 2022. Owners may contact FCA US, LLC customer service at 1-800-853-1403. FCA US, LLC's number for this recall is Y55.
20V622000 · Visibility:rearview Mirrors/devices:exterior
Oct 8, 2020
Chrysler (FCA US LLC) is recalling certain 2020 Ram 2500 and 1500 vehicles. The driver side mirror glass can detach from the backing plate and no longer provide a reflective surface. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 111, "Rear Visibility."
Consequence & remedy
Consequence: Missing driver side mirror glass reduces visibility and increases the risk of a crash.
Remedy: Chrysler will notify owners, and dealers will replace the driver side mirror glass, free of charge. The recall began November 5, 2020. Owners may contact FCA US customer service at 1-800-853-1403. Chrysler's number for this recall is W70.
20V580000 · Seat Belts; Seat Belts:front:retractor
Sep 24, 2020
Chrysler (FCA US LLC) is recalling certain 2019 Jeep Wrangler and Ram 2500, 2019-2020 Ram 1500 and 2020 Jeep Gladiator vehicles. In the event of a crash, a front seat belt retractor may not properly slow the occupant's forward movement after locking.
Consequence & remedy
Consequence: In the event of a crash, if the front seat belts fail to lock, there is an increased risk of injury.
Remedy: Chrysler will notify owners, and dealers will replace the front seat belt retractors, free of charge. The recall began November 12, 2020. Owners may contact Chrysler customer service at 1-800-853-1403. Chrysler's number for this recall is W67.
Additional source detail variants (2)
Seat Belts:front:retractor
Chrysler (FCA US LLC) is recalling certain 2019 Jeep Wrangler and Ram 2500, 2019-2020 Ram 1500 and 2020 Jeep Gladiator vehicles. In the event of a crash, a front seat belt retractor may not properly slow the occupant's forward movement after locking.
Consequence: In the event of a crash, if the front seat belts fail to lock, there is an increased risk of injury.
Remedy: Chrysler will notify owners, and dealers will replace the front seat belt retractors, free of charge. The recall began November 12, 2020. Owners may contact Chrysler customer service at 1-800-853-1403. Chrysler's number for this recall is W67.
Seat Belts
Chrysler (FCA US LLC) is recalling certain 2019 Jeep Wrangler and Ram 2500, 2019-2020 Ram 1500 and 2020 Jeep Gladiator vehicles. In the event of a crash, a front seat belt retractor may not properly slow the occupant's forward movement after locking.
Consequence: In the event of a crash, if the front seat belts fail to lock, there is an increased risk of injury.
Remedy: Chrysler will notify owners, and dealers will replace the front seat belt retractors, free of charge. The recall began November 12, 2020. Owners may contact Chrysler customer service at 1-800-853-1403. Chrysler's number for this recall is W67.
20V191000 · Back Over Prevention: Sensing System: Camera
Sep 10, 2020
Chrysler (FCA US LLC) is recalling certain 2020 Jeep Gladiator and Jeep Cherokee, 2019-2020 Ram 1500 Pickup, Ram 2500 Pickup, Ram 3500 Pickup, Chrysler Pacifica, Dodge Durango, Jeep Grand Cherokee, Jeep Wrangler, and Jeep Renegade and 2019 Dodge Challenger vehicles equipped with 8.4" or 12" radio displays. A software error can cause the rearview camera image to remain displayed after the vehicle has been shifted out of reverse. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 111, "Rearview Mirrors."
Consequence & remedy
Consequence: The lingering rearview image can distract the driver, increasing the risk of a crash.
Remedy: Chrysler has notified owners, and dealers will update the radio display software, free of charge. Optionally, owners can choose to remotely update their software via an Over-The-Air (OTA) update available as of May 1, 2020. The recall began April 27, 2020. Owners may contact Chrysler customer service at 1-800-853-1403. Chrysler's number for this recall is W30-W37.
20V513000 · Vehicle Speed Control:accelerator Pedal
Aug 27, 2020
Chrysler (FCA US LLC) is recalling certain 2019-2020 Ram 1500 vehicles equipped with adjustable pedals. In certain accelerator pedal positions, the floormats may prevent the pedal from returning to the normal resting (idle) position.
Consequence & remedy
Consequence: A pedal that does not return as expected may affect the vehicle's deceleration, thereby increasing the risk of a crash.
Remedy: Chrysler will notify owners, and dealers will modify the driver's floormat to remove the potential for pedal interference, free of charge. The recall began September 10, 2020. Owners may contact FCA US LLC customer service at 1-800-853-1403. Chrysler's number for this recall is W63.
20V374000 · Air Bags
Jun 25, 2020
Chrysler (FCA US LLC) is recalling certain 2020 Ram Promaster vans and 1500 pickups. The affected vehicles may have an improperly crimped diffuser in the side curtain airbag which may result in the diffuser detaching from the inflator in the event of an air bag deployment.
Consequence & remedy
Consequence: In the event of a crash, if the diffuser detaches from the inflator during air bag deployment, the air bag may not inflate properly, increasing the risk of injury.
Remedy: FCA US will notify owners, and dealers will replace the side curtain air bag assemblies, free of charge. The recall began July 16, 2020. Owners may contact FCA US customer service at 1-800-853-1403. FCA US's number for this recall is W52.
20V208000 · Visibility:windshield Wiper/washer:linkages
Apr 9, 2020
Chrysler (FCA US LLC) is recalling certain 2019-2020 Ram 1500, 1500 Classic and Jeep Compass vehicles. The windshield wiper arm or arms may loosen, possibly causing the wipers to not operate properly and reduce the driver's visibility in certain weather conditions.
Consequence & remedy
Consequence: Reduced visibility increases the risk of a crash.
Remedy: Chrysler will notify owners, and dealers will tighten the wiper nuts, free of charge. The recall began April 27, 2020. Owners may contact Chrysler customer service at 1-800-853-1403. Chrysler's number for this recall is W25.
19V407000 · Air Bags; Air Bags: Air Bag/restraint Control Module; Seat Belts:pretensioner
May 31, 2019
Chrysler (FCA US LLC) is recalling certain 2019-2020 Ram 1500 vehicles. The flash memory of the Occupant Restraint Controller (ORC) may become corrupted, disabling the vehicle's air bags and seat belt pretensioners.
Consequence & remedy
Consequence: Disabled air bags and seat belt pretensioners increase the risk of injury in the event of a crash.
Remedy: Chrysler will notify owners, and dealers will reprogram the ORC or replace it as necessary, free of charge. The recall began June 20, 2019. Owners may contact Chrysler customer service at 1-800-853-1403. Chrysler's numbers for this recall are V61 and V71.
Additional source detail variants (3)
Air Bags: Air Bag/restraint Control Module
Chrysler (FCA US LLC) is recalling certain 2019-2020 Ram 1500 vehicles. The flash memory of the Occupant Restraint Controller (ORC) may become corrupted, disabling the vehicle's air bags and seat belt pretensioners.
Consequence: Disabled air bags and seat belt pretensioners increase the risk of injury in the event of a crash.
Remedy: Chrysler will notify owners, and dealers will reprogram the ORC or replace it as necessary, free of charge. The recall began June 20, 2019. Owners may contact Chrysler customer service at 1-800-853-1403. Chrysler's numbers for this recall are V61 and V71.
Seat Belts:pretensioner
Chrysler (FCA US LLC) is recalling certain 2019-2020 Ram 1500 vehicles. The flash memory of the Occupant Restraint Controller (ORC) may become corrupted, disabling the vehicle's air bags and seat belt pretensioners.
Consequence: Disabled air bags and seat belt pretensioners increase the risk of injury in the event of a crash.
Remedy: Chrysler will notify owners, and dealers will reprogram the ORC or replace it as necessary, free of charge. The recall began June 20, 2019. Owners may contact Chrysler customer service at 1-800-853-1403. Chrysler's numbers for this recall are V61 and V71.
Air Bags
Chrysler (FCA US LLC) is recalling certain 2019-2020 Ram 1500 vehicles. The flash memory of the Occupant Restraint Controller (ORC) may become corrupted, disabling the vehicle's air bags and seat belt pretensioners.
Consequence: Disabled air bags and seat belt pretensioners increase the risk of injury in the event of a crash.
Remedy: Chrysler will notify owners, and dealers will reprogram the ORC or replace it as necessary, free of charge. The recall began June 20, 2019. Owners may contact Chrysler customer service at 1-800-853-1403. Chrysler's numbers for this recall are V61 and V71.
Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗
NHTSA investigations
1EA23001 · High Pressure Fuel Pump Failure
Opened Mar 17, 2023 · No close date supplied
Status: open (inferred from source dates) · Fuel System, Diesel:delivery:fuel Pump
The Office of Defects Investigation (ODI) opened PE21-021 on October 14, 2021, to investigate incidents alleging a stall/loss of motive power as a result of high-pressure fuel pump failures in certain model year (MY) 2019-2020 Ram 2500, 3500, 4500, and 5500 heavy duty trucks equipped with 6.7L Cummins turbodiesel engines. During the investigation, ODI sought to determine if the related defect allegation was limited in scope to the recalled population. After review of information request response materials from both FCA and BMW, NHTSA determined that sufficient information to identify a comprehensive recall population could not be produced by FCA and BMW.During the investigation FCA filed recalls 22V406, 22E048, 22V767, and 22E087 which include vehicles not identified in the initial subject population by ODI. ODI also received recall 21V586, involving loss of motive power due to failed CP4 fuel pumps on certain BMW manufactured vehicles. An information request letter response received from BMW indicated that failed pumps on their vehicles were caused by an interaction between pump internal components and US market diesel fuel, leading to increased slip and eventual particle-generating wear surface. Additional work will be done to identify whether a similar root cause is associated with the FCA recalled population and if similar wear dynamics occur on pumps supplied to vehicle manufacturers other than those included in the recalled population.ODI has upgraded this investigation to an EA in order to 1) determine engineering specifications of internal pump components that are correlated with pump failure leading to loss of motive power or other safety related hazards, 2) identify vehicle populations equipped with alleged defective pump variants, 3) assess if vehicles equipped with alleged defective pump variants result in an unreasonable risk to motor vehicle safety and 4) gather and review any other relevant information related to high pressure fuel pump failure associated with the subject populations of recalls 21V586, 21V880, 21E094, 22V406, 22E048, 22V767, and 22E087.Review of the above information will allow NHTSA to confirm root cause and recall remedy viability, and identify and evaluate vehicle populations equipped with pump components that may pose an unreasonable risk to motor vehicle safety.The ODI reports cited above can be reviewed at: http://www-odi.nhtsa.dot.gov/owners/SearchNHTSAID using the following complaint identification numbers: 11257550, 11351441, 11361603, 11361616, 11365300, 11365426, 11365858, 11366401, 11372337, 11373793, 11374797, 11376793, 11377871, 11378173, 11384377, 11386063, 11387018, 11399710, 11402550, 11415339, 11418868, 11418870, 11427075, 11434276, 11436807, 11437226, 11437249, 11437273, 11437292, 11437294, 11437394, 11437399, 11437403, 11437405, 11437423, 11437528, 11437565, 11437579, 11437580, 11437590, 11437679, 11437744, 11437781, 11437842, 11437993, 11438006, 11438008, 11438121, 11438138, 11438155, 11438392, 11438629, 11439359, 11439879, 11440397, 11443030, 11446542, 11448163, 11453556, 11458918, 11460558, 11469337
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