2012 Chevrolet Express 1500 Problems
RepairPal has identified the most common problems with the 2012 Chevrolet Express 1500 based on complaints from actual vehicle owners. We'll tell you what the problem is and what it'll take to fix it.
The throttle position sensor (TPS) on the Chevrolet Express 1500 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.
The 2004-2014 Chevrolet Express 1500 has known issues with the EVAP system, a part of your emission control system.
To correct the issue, the EVAP canister vent valve, solenoid, and wiring must be inspected. The most common fix is replacement of the wiring connector or replacement of the vent valve assembly.