2010 GMC Sierra 2500 HD Problems

RepairPal has identified the most common problems with the 2010 GMC Sierra 2500 HD as reported by actual vehicle owners. We'll tell you what the problem is and what it'll take to fix it.

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7
Known Problems

The 4WD transfer case encoder motor position sensor or the selector switch may fail causing the service 4WD message to be displayed. Fault code(s) stored in the transfer case control module will be of assistance in determining the exact fault causing the message to be displayed.

Illumination of the Check Engine Light can be caused by a loose or worn gas cap.

The fuel pump may fail causing the engine to stall and not restart.

Our technicians recommend flushing the brake fluid every 60,000 miles.  Brake fluid that is dirty may cause problems in the brake system.

Extended life coolant may become contaminated and require cooling system service before the recommended 100,000 miles.
Our technicians highly recommend that the transmission is serviced every 30,000 miles to avoid problems and maintain optimal operating order.
Gas engines only
The spark plugs should be replaced every 100,000 miles. Our technicians recommend replacing the spark plug wires also at this time.