NHTSA Complaint #11497442 — 2015 GMC SIERRA 2500

The contact owns a 2015 GMC Sierra 2500. The contact stated while her husband was driving approximately 20 MPH, the vehicle lost motive power and stalled. The vehicle lost power steering and power braking functionality. The contact stated that her husband did not see any warning lights being illuminated. The contact stated that her husband pulled over and stopped the vehicle. The vehicle could not be restarted. The contact stated that her husband purchased a fuel head for the diesel engine. The fuel head was replaced, the vehicle was started, and ran for less than a minute when the contact heard loosened nuts and bolts coming from the engine compartment. The vehicle stalled and was towed to an independent mechanic. The vehicle was diagnosed, and it was determined that the CP4 had to be replaced with a CP3 Conversion (Part 10904), fuel pump module assembly (Part N10021) and a Duramax Conversion kit (Part 10904). The vehicle had not been repaired. The manufacturer had not been informed of the failure. The failure mileage was approximately 136,000.