2009 GMC Sierra 1500 Hybrid Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 2009 GMC Sierra 1500 Hybrid

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2009 GMC Sierra 1500 Hybrid Problems

Reduced Power and Check Engine Light

The throttle position sensor (TPS) on the GMC Sierra 1500 Hybrid is notorious for failure which causes:

This issue is related to the throttle position sensor on the gasoline engine, and can be caused by faulty wiring to the TPS, bad connection at the TPS, or a failed TPS. Note, this does not affect the hybrid drive system.

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.

Service transmission every 30,000 miles
Our technicians highly recommend that the transmission is serviced every 30,000 miles to avoid problems and maintain optimal operating order.
Contamination of extended life coolant
Extended life coolant may become contaminated and require cooling system service before the recommended 100,000 miles.

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2009 GMC Sierra 1500 Hybrid Questions

Transmission shift problem from dead stop (2 answers)

I've noticed on numerous occasions that my 2009 Sierra Hybrid has problems finding the right gear when applying the accelerator from a dead stop. The truck starts to move but then you feel an abrupt and significaqnt lurch in momentum as it shifts from EV to gas. Is this normal? It reminds ...

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2009 GMC Sierra 1500 Hybrid Recalls

Passenger Frontal Air Bag Inflator Ruptures On Deployment

The passenger frontal air bag inflator may rupture on deployment, causing metal fragments to come through the air bag and injure occupants. Dealers will replace the passenger frontal air bag inflator free of charge to resolve the concern.

Possible Under Hood Electrical Fire

The heated washer module under the hood could overheat due to excessive current draw. Under certain conditions, this could result in an under hood fire. This previous recall attempt in 2008 to repair this concern did not have the expected success. Dealers will now permanently disable and remove the heated washer module to correct this concern. This recall is expected to begin on June 20, 2010.

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