2012 Chevrolet Silverado 2500 HD Problems
RepairPal has identified the most common problems with the 2012 Chevrolet Silverado 2500 HD based on complaints from actual vehicle owners. We'll tell you what the problem is and what it'll take to fix it.
The inside door handles are prone to breaking.
The throttle position sensor (TPS) on the Chevrolet Silverado 2500 HD is notorious for failure which causes:
- Check engine light
- Reduced Power message
- OBD trouble code P2135
This issue is related to the throttle position sensor, and can be caused by faulty wiring to the TPS, bad connection at the TPS, or a failed TPS.
To correct this issue, the wiring harness, connector, and throttle position sensor must be inspected, tested, and/or replaced. The most common cause is a faulty TPS.