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Home >> Chevrolet >> 2005 >> Avalanche 2500 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - 8.1L (DTC P0601 To U0107) >> Diagnostic Information and Procedures >> DTC P2121 >> DTC Descriptor

DTC Descriptor

This diagnostic procedure supports the following DTC:

DTC P2121 Accelerator Pedal Position (APP) Sensor 1 Performance

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