2018 Ram 3500 SERVICE BRAKES, HYDRAULIC

The contact owns a 2018 Ram 3500. The contact stated while driving approximately 65 MPH with the cruise control engaged and towing a trailer, the vehicle drove over a bump in the roadway and the ABS warning light illuminated and the vehicle independently decelerated to 35 MPH. The accelerator pedal was depressed, and the vehicle returned to normal functionality. The contact stated that the failure was intermittent at first but had become a recurring failure while driving over bumps in the roadway. The contact stated the failure persisted whether towing a trailer or not. The contact had taken the vehicle to a local dealer however, the failure could not be duplicated. The dealer replaced the ABS and ACU electrical control module. The vehicle was repaired, however the failure reoccurred. The manufacturer was not informed of the failure. The contact researched online and related the failure to NHTSA Action Number: PE22012 (Service Brakes, Hydraulic). The failure mileage was approximately 57,000.

The contact owns a 2018 Ram 3500. The contact stated while driving at an undisclosed speed, the "Service ABS" message was displayed. The traction control and ABS warning lights were illuminated. The vehicle was taken to the dealer, who diagnosed a failure with the ABS control module. The vehicle was not repaired due to parts not being available. The manufacturer was not notified of the failure. The failure mileage was 40,000.

The contact owns a 2018 Ram 3500. The contact stated while driving at various speeds, the messages "Service Brakes" and "Service ABS" were displayed and an alarm sounded. The contact stated while driving 30 MPH, the failure recurred and the front passenger's side wheel locked up, causing the vehicle to accelerate unintendedly. The contact was able to decelerate and continued driving. The vehicle was taken to the dealer, where it was diagnosed and determined that the ABS pump and the ABS module needed to be replaced; however, the ABS module was on backorder and under engineering review. The vehicle was not repaired. The contact related the failure to NHTSA Action Number: PE22012 (Service Brakes, Hydraulic). The manufacturer was not notified of the failure. The failure mileage was approximately 68,000.

The contact owns a 2018 Ram 3500. The contact stated while driving at various speeds or while at a traffic light, the “Service ABS system Soon” message was displayed. There was an abnormal dinging sound detected. The ABS and traction control warning lights were illuminated. The vehicle was taken on three occasions to the local dealer, where it was diagnosed that the control module and the anti-lock braking system needed to be replaced. The vehicle was repaired, but the failure persisted. The manufacturer was not contacted. The failure mileage was approximately 24,365.

The contact owns a 2018 Ram 3500. The contact stated that while driving at an undisclosed speed, the ABS warning light illuminated on the instrument panel, after which a message "Service ABS" was displayed. The vehicle returned to normal functionality, but the failure became a regular occurrence. The vehicle was taken to an independent mechanic, who diagnosed a failure with the ABS. The vehicle was not repaired. The manufacturer was notified of the failure, a case was opened, and the contact was referred to the NHTSA Hotline for assistance. The failure mileage was 71,000.

The contact owns a 2018 Ram 3500. The contact stated that while driving at an undisclosed speed, the "ABS System Fault” message was displayed. The vehicle was taken to the dealer, who diagnosed failures with the ABS control module and ABS pump. The vehicle was repaired, but the failure reoccurred 7-months later. The vehicle was taken back to the dealer and was diagnosed with ABS control module and ABS pump failures. The vehicle was repaired, but the failure reoccurred. The vehicle was taken back to the dealer and it was determined that the ABS control module and ABS pump needed to be replaced. The vehicle was not repaired. The manufacturer was notified of the failure, and a case was opened. The failure mileage was 9,000.

The contact owns a 2018 Ram 3500. The contact stated while driving at an undisclosed speed, the electronic braking system warning light illuminated and chimed, causing the cruise control to become inoperable. The vehicle was not diagnosed or repaired by an independent mechanic or dealer. The manufacturer was not made aware of the failure. The failure mileage was approximately 15,000. The VIN was unavailable.

ABS /Traction Control Light Service Electronic Braking System Service Antilock Brake System Vehicle ABS malfunctions and makes it difficult to stop

The contact owns a 2018 Ram 3500. The contact stated while driving at approximately 70 MPH, the ABS and traction control warning lights intermittently illuminated. The contact stated that the Service ABS system and service electric brake system messages were displayed. The contact called the local dealer and made them aware of the failure. The vehicle was not diagnosed or repaired. The manufacturer had been informed of the failure. The failure mileage was approximately 68,000.

The contact owns a 2018 Ram 3500. The contact stated that the brake failure and traction control malfunction warning lights were illuminated. The contact took the vehicle to the dealer and the ABS system was replaced. The contact stated that after the repair was completed, whenever the contact depressed the brake pedal, the pedal was spongy. The ABS and traction control warning lights were again illuminated. The contact stated that a certified mechanic diagnosed the vehicle and determined that the hydraulic control unit had failed and needed to be replaced. The local dealer was notified of the failure but was unable to repair the vehicle due to the parts not being available. The manufacturer was not made aware of the failure. The approximate failure mileage was 15,000.

The contact owns a 2018 Ram 3500. The contact stated that the ABS system had failed to operate as needed. The vehicle was taken to the dealer to be diagnosed. The contact was informed that the hydraulic control unit (HCU) needed to be replaced. The vehicle was not repaired due to the part being on back order. The contact was informed that the part would be available in March 2024. The manufacturer had not been made aware of the failure. The approximate failure mileage was 65,000.

The contact owns a 2018 Ram 3500. The contact stated that while driving at an undisclosed speed, the ABS and traction control warning lights were illuminated. Additionally, the Service ABS and Service Brake Assist messages were displayed. The vehicle was taken to the dealer, where it was diagnosed that the hydraulic control unit needed to be replaced; however, the replacement part was on backorder. The vehicle was not repaired. The manufacturer was made aware of the failure. The failure mileage was 64,826.

The contact owns a 2018 Ram 3500. The contact stated that while driving 65 MPH, a vehicle abruptly merged in front of him causing him to crash into the rear of that vehicle. The ABS warning light was illuminated. The contact pulled over to the side of the roadway and became aware that the brake pedal was difficult to depress. The vehicle was not taken to a dealer to be diagnosed or repaired; however, the dealer was contacted by phone. The manufacturer was made aware of the failure and informed the contact that there was a freeze on the repair due to parts not being available. The failure mileage was 9,800.

The contact owns a 2018 Ram 3500. The contact stated the anti-lock braking system (ABS) and traction control warning lights were illuminated intermittently. The contact called the local dealer and made them aware of the failure. The vehicle was not diagnosed or repaired. The manufacturer had not been informed of the failure. The failure mileage was approximately 26,000.

The contact owns a 2018 Ram 3500. The contact stated that the ABS and traction control warning lights were intermittently illuminated. The vehicle was taken to an independent mechanic where it was diagnosed that the ABS control module needed to be replaced. An unknown dealer was notified of the failure and confirmed that parts were not available for repair. The vehicle was not repaired. The manufacturer was not notified of the failure. The failure mileage was approximately 180,000.

The contact owns a 2018 Ram 3500. The contact stated that on four separate occasions while driving at various speeds, the ABS system locked up the rear wheels, causing the vehicle to skid and the trailer that was being hauled to thrust around out of control. Additionally, the contact stated that the ABS, Electronic Brake System, and Stability Control Warning lights were illuminated. The contact stated that the cruise control operated as intended for a short while but then inadvertently deactivated. The vehicle was taken to an independent mechanic where it was diagnosed and determined that the ABS module needed to be replaced. The vehicle was not yet repaired. The manufacturer was not notified of the failure. The failure mileage was approximately 63,000.

The contact owns a 2018 Ram 3500. The contact stated while driving approximately 25 MPH, the "Check Brake System" and ABS warning lights were illuminated. The contact stated that the failure reoccurred intermittently while driving at various speeds. The vehicle was taken to a local dealer, where it was diagnosed that the Hydraulic Control Unit (HCU) needed to be replaced; however, the parts were on back order. The vehicle was not repaired. The manufacturer was not made aware of the failure. The approximate failure mileage was 57,000.

The contact owns a 2018 Ram 3500. The contact stated while driving at various speeds, the ABS and traction control warning lights were illuminated. The vehicle was taken to an independent mechanic where it was diagnosed that the ABS Hydraulic Control Unit (HCU) needed to be replaced. The vehicle was not repaired. The manufacturer was notified of the failure. The approximate failure mileage was 23,000.

The contact owns a 2018 Ram 3500. The contact stated that while driving at an undisclosed speed, the brakes inadvertently engaged. The traction control warning light was illuminated, and the Service Electronic Braking System message was displayed. The vehicle was taken to the dealer, where it was diagnosed that the HCU needed to be replaced; however, the replacement part would be on backorder until March 2023. The vehicle was not repaired. The manufacturer was not made aware of the failure. The failure mileage was 37,353.

The contact owns a 2018 Ram 3500. The contact stated that the service electronic braking system message was displayed. While the error message was displayed, the cruise control disengaged. The local dealer was not contacted. The vehicle was not diagnosed or repaired. The contact stated that the failure was related to NHTSA Action Number: PE22012 (Service Brakes, Hydraulic). The manufacturer was not contacted. The approximate failure mileage was 45,000.

The contact owns a 2018 Ram 3500. The contact stated that while driving at various speeds, the "Service ABS" warning message and ABS warning light were illuminated. The vehicle was taken to a local dealer, where it was diagnosed that the ABS hydraulic unit needed to be replaced; however, the part for the repair was not available. The vehicle was not repaired. The manufacturer was made aware of the failure. The approximate failure mileage was 25,000.

The contact owns a 2018 Ram 3500. The contact stated that while driving at approximately 60–70 MPH with the cruise control activated, the "Service Electronic Brake System" and "Service ABS" messages were displayed with the ABS and traction control warning lights illuminated. Additionally, the failure caused the cruise control to deactivate. The vehicle was taken to an independent mechanic, who diagnosed that the ABS control module needed to be replaced. The vehicle was not repaired. The manufacturer was not made aware of the failure. The failure mileage was approximately 115,000.

The contact owns a 2018 Ram 3500. The contact stated while driving at an undisclosed speed, the ABS unit became inoperable without warning. The safety feature failed, and the vehicle lost traction control, hydraulic braking, and cruise control. The vehicle was taken to the local dealer where it was diagnosed with a faulty hydraulic control unit (HCU). The contact was informed that the HCU needed to be replaced. The vehicle was repaired. The contact stated that the old part number was 68143491aa and had been upgraded to part number 68143491ab. The manufacturer was contacted but no additional assistance was provided. The failure mileage was approximately 20,000.