2013 Chevrolet Express 2500 Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 2013 Chevrolet Express 2500

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2013 Chevrolet Express 2500 Problems

Check Engine Light With Code P1870

Vehicles equipped whit a 4 speed automatic transmission may develop a harsh 1-2 shift and/or illumination of the Check Engine Light with code P1870 stored. This can be caused by wear of the bore for the TCC isolator and regulator valves in the valve body. This condition does not commonly occur until the transmission reaches normal operating temperature. If the valve body is worn, replacement will be necessary to correct this concern.

Reduced Power and Check Engine Light

The throttle position sensor (TPS) on the Chevrolet Express 2500 is notorious for failure which causes:

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.

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2013 Chevrolet Express 2500 Recalls

Natural 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.

Insufficient Instrument Panel Padding

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.

CNG Only Label Too Small

The label that indicates "CNG Fuel Only" is too small. Owners of affected vehicles will receive replacement labels from General Motors, and dealers can help with installation, free of charge to resolve the concern.

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