NHTSA Complaint #11575487 — 2018 RAM 2500

The contact owns a 2018 Ram 2500. The contact stated while driving at an undisclosed speed with cruise control activated, the vehicle experienced a loss of traction control and brake performance. The cruise control then inadvertently deactivated. The Service Electronic Brake System message was displayed, and several unknown warning lights were illuminated. Additionally, the speedometer and tachometer dropped to zero while driving. The contact pulled over and turned off the vehicle, but the vehicle failed to restart. The contact disconnected and reconnected the battery to reset the vehicle. The vehicle was able to restart. The vehicle was taken to the dealer, where the HCU was replaced; however, the failure recurred. The vehicle was taken back to the dealer, where it was determined that the ABS module needed to be replaced; however, the part was on backorder. The vehicle was not repaired. The manufacturer was made aware of the failure and a case was opened. The contact related the failure to NHTSA Action Number: PE22012 (Service Brakes, Hydraulic). The failure mileage was approximately 46,000.