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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1998 (Engine Controls And Fuel - 3.6L (LCS) - DTC P0638 To DTC P2229) >> DTC P2122, P2123, P2127, P2128, or P2138 >> Diagnostic Fault Information

Diagnostic Fault Information

WARNING: This page is about a different car, the 2009 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
Circuit Short to Ground High Resistance Open Short to Voltage Signal Performance
Accelerator Pedal Position (APP) Sensor 1 5-Volt Reference Circuit P0343, P0348, P0368, P0393, P0652, P2122 - P2122 P0653, P2138, P2123 -
Accelerator Pedal Position (APP) Sensor 2 5-Volt Reference Circuit P0122, P0222, P0335, P0642, P0698, P0700 - P0697, P2127 P0123, P0221, P0699, P2138, P2128, P0700 -
Accelerator Pedal Position (APP) Sensor 1 Signal P2122 P2138 P2122 P2123 P2138
Accelerator Pedal Position (APP) Sensor 2 Signal P2127 P2138 P2127 P2128 P2138
Accelerator Pedal Position (APP) Sensor 1 Low Reference - P2123, P2138 P2123 - P2138
Accelerator Pedal Position (APP) Sensor 2 Low Reference - P2127, P2138 P2128 - P2138