Complaint 1208649

Complaint Summary

ENGINE

Owner Narrative

TL* THE CONTACT OWNS A 2005 GMC SIERRA. WHILE DRIVING AT APPROXIMATELY 60 MPH, THE ENGINE SUDDENLY INCREASED IN SPEED TO APPROXIMATELY 10 MPH. THE CONTACT STATED THAT THE DISPLAY PANEL READ "REDUCED POWER MODE" AND THE CHECK ENGINE WARNING LIGHT ILLUMINATED. THE VEHICLE WAS RESTARTED, BUT THE FAILURE RECURRED MULTIPLE TIMES. THE VEHICLE WAS DRIVEN TO AN INDEPENDENT MECHANIC WHERE IT WAS DIAGNOSED THAT THE THROTTLE BODY NEEDED TO BE REPLACED. THE VEHICLE WAS REPAIRED; HOWEVER, THE FAILURE RECURRED WITHOUT WARNING. THE VEHICLE WAS THEN TAKEN TO A DEALER WHERE THE THROTTLE BODY WIRE HARNESS, THE THROTTLE ACCELERATOR CONTROL MODULE, AND THE ACCELERATOR PEDAL ASSEMBLY WERE REPAIRED. THE REPAIR FAILED TO REMEDY THE FAILURE. THE FAILURE MILEAGE WAS APPROXIMATELY 270,000.

Owner-submitted narrative on file with NHTSA. Complaint narratives are self-reported and have not been verified.