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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1685 (Hybrid Controls - 3.6L (Hp5) - DTC P16F9 To DTC P2797) >> DTC P1AC6 or P1AC7 >> 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 Open/High Resistance Short to Voltage Signal Performance
5-Volt Reference Circuit (ECM) ECM P0122, P0222, P0335, P0688, P2127 / HPCM P1AC6 ECM P0335, P0689 / HPCM P1AC6, P1AC7 ECM P0335, P0338, P0689, P2135 / HPCM P1AC6, P1AC7 ECM P0336, P0697, P0698, P0699
CKP Sensor Signal Circuit1 ECM P0122, P0222, P0335, P0688, P2127 / HPCM P1AC6 ECM P0335 / HPCM P1AC6, P1AC7 ECM P0335 / HPCM P1AC6, P1AC7 ECM P0336 / HPCM P1AC7
Low Reference Circuit1 ECM P0335 ECM P0335 / HPCM P1AC7 ECM P0335 / HPCM P1AC6, P1AC7 -
1 ECM DTCs will not set with an open circuit condition between the circuit splice and the HPCM.
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