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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 56 (Engine Controls And Fuel - 6.0L - DTC P0455 To DTC U0107) >> DTC P2121 >> DTC Descriptor

DTC Descriptor

WARNING: This page is about a different car, the 2007 Hummer H2. However, it is still accessible from the selected car via links, so may be relevant.

This diagnostic procedure supports the following DTC:

DTC P2121 Accelerator Pedal Position (APP) Sensor 1 Performance

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