2007 CHEVROLET EXPRESS Exterior Lightingbrake Lights Problems

The contact owns a 2007 Chevrolet Express. The contact stated that while driving at an undisclosed speed, the rear passenger side wheel locked without warning. The vehicle was taken to the nearest service station where the rear brakes were replaced. The vehicle was then taken to the dealer where it was diagnosed that the ABS system module needed to be reprogrammed. The vehicle was repaired however, the contact stated that six months later the failure recurred. No warning lights was illuminated. The contact then stated that while driving at an undisclosed speed, he then depressed the brake pedal to stop the vehicle however, after the accelerator pedal was depressed, he noticed a substantial drag and failed to accelerate. The dealer was notified of the failure, but no further assistance was provided. The vehicle was not repaired. The vehicle was not diagnosed or repaired. The manufacturer was not notified of the...