NHTSA Complaint #11623195 — 2022 GMC SIERRA 3500

The contact owns a 2022 GMC Sierra 3500. The contact stated while the vehicle was parked, the trailer plug was connected, and electrical fuses popped. The contact stated that all the fuses were blown. In addition, the contact stated while driving the vehicle, the trailer brakes failed to function as intended. The contact stated that the trailer brakes went off and on. The vehicle was taken to the dealer where it was diagnosed with trailer brake control module failure. The contact was informed that the trailer brake control module needed to be replaced. The vehicle was repaired. The contact referenced an unknown recall; however, the VIN was not included in the recall. Additionally, the contact stated that the failure had previously occurred, and an unknown part was replaced; however, the failure reoccurred. The manufacturer was not made aware of the failure. The failure mileage was approximately 31,308.