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Home >> Pontiac >> 2009 >> Vibe Base, 2.4 0, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 157 (Engine Controls And Fuel - 4.6L - Diagnostic Information And Procedures) >> Diagnostic Information and Procedures >> DTC P2120, P2122, P2123, P2125, P2127, P2128, or P2138 >> Diagnostic Fault Information

Diagnostic Fault Information

WARNING: This page is about a different car, the 2011 Cadillac DTS. 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
APP Sensor 1 Signal P2122 P2138 P2122 P2123 P2120, P2138
APP Sensor 1 5-Volt Reference P0335, P0651, P2122, P2138 P2138 P2122 P2123, P2138, P0651 P2120, P2138
APP Sensor 1 Low Reference - P2138 P2123 - P2120, P2138
APP Sensor 2 Signal P2127 P2138 P2127 P2128 P2125, P2138
APP Sensor 2 5-Volt Reference P0452, P0532, P0641, P2127, P2138 P2138 P2127 P2128, P0641 P2125, P2138
APP Sensor 2 Low Reference - P2138 P2128 - P2125, P2138
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