2012 Chevrolet Express 3500 Repair and Maintenance Costs
A guide to repairs, service, and maintenance costs for your 2012 Chevrolet Express 3500
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2012 Chevrolet Express 3500 ProblemsOne or More Rear Lights May Not Work
The tail light wiring harness in the cargo area is not protected very well. As a result it may become damaged due to normal wear a tear. This damage can causing some or all of the rear lights to stop working.
The throttle position sensor (TPS) on the Chevrolet Express 3500 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.
2012 Chevrolet Express 3500 QuestionsWhere's the fuel filters located on 2012 chevy express van 3500 (1 answer)
2012 Chevrolet Express 3500 RecallsNatural Gas Leak
Certain vehicles equipped to run on compressed natural gas are being recalled because the high pressure natural gas regulator could develop a leak, increasing the risk of a fire or explosion. Dealers will replace the natural gas regulator to correct this concern.
Certain vehicles are being recalled because if a crash were to occur not requiring deployment of the front airbags, the head of an unbelted front seat passenger could hit the instrument panel, resulting in personal injury because the panel may not sufficiently absorb the impact. As of this writing, General Motors is still working on a remedy for this concern.
IMPCO Technologies installed a compressed natural gas (CNG) fuel system as original equipment on certain 2011-2013 full size GM vans. These vans are being recalled because the electrical connector on the fuel shut off solenoid can corrode, causing the connector to overheat, increasing the risk of a fire. Both dealers and fleet operators will be performing the necessary updates to correct this concern. The corrections include: replacing the fuel shut off solenoid, fuel pump fuse, and adjusting the wiring routing.