2010 GMC Sierra 1500 Vehicle speed control Problems

“Over the last 3 years we have had ongoing issues with our truck going into limp mode. We have spent thousands of dollars at dealerships and mechanics trying to troubleshoot the issue. Several occasions while trying to merge onto the freeway the truck would slip into limp mode causing us to have other drivers slam on their breaks almost hitting us. We had 2 cars in January of 2023 veer off the side of the road. We pulled over and thankfully they missed hitting one another. We just couldn't speed up to get out of their way. …”

“With no warning truck just started jumping in neutral after take off from red light litterly almost getting hit from behind and on coming traffic and than I let off the gas pedal than it jerks back in gear and doesn’t want to stop and wants to jerk to keep moving like transmission won’t stop pulling had to turn truck off it is something electrical in transmission I can pull fuse and it resets than it’s normal till it decides to do it again I’ve got on line and notice there is a lot more of the same truck and year having same issue and people have complained also mechanical at dealer says…”

“The contact owns 2010 Gmc SIERRA 1500. The contact stated that while driving 20 MPH, the vehicle sputtered and failed to accelerate above 20 MPH. The contact mentioned that the check engine and service traction control warning lights illuminated. The vehicle was taken to an independent mechanic, where it was diagnosed the throttle position sensor codes needed to be reset. The vehicle was repaired however, the failure recurred. The manufacturer was notified of the failure. The failure mileage was 67,500.”

“The contact owns a 2010 Gmc SIERRA 1500. While driving approximately 40 MPH through a snow bank, the check engine and traction warning indicators illuminated. The stability track indicator signaled the system to be off and needed servicing. The contact had not taken the vehicle to the dealer. The contact spoke with a certified mechanic who stated that the throttle body, brake sensor switch, and faulty air intake system failed and needed to be replaced. The vehicle was not repaired. The manufacturer was made aware of the failure and directed the contact to NHTSA and/or the dealer. …”

“The contact owns a 2010 Gmc SIERRA 1500. The contact stated that the carpet on the driver side floor was beginning to curl up, which caused the sole of his left foot to become captured when attempting to apply the brakes. The dealer inspected the vehicle and agreed to perform the repairs; however, he later backed out because they were unable to determine an adequate remedy for the failure. The contact did not inform the manufacturer of the failure nor was the vehicle repaired. The current mileage was 5,000 and the failure mileage was 3,800.”