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Home >> GMC >> 2018 >> Acadia Denali, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 198 (Manual Transmission - TREMEC 6-Speed (M3L Mg9)) >> Diagnostic Information and Procedures >> DTC P18C4 or P18C5: Gear Position Sensor >> Diagnostic Fault Information

Diagnostic Fault Information

WARNING: This page is about a different car, the 2017 Cadillac ATS. 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 V Reference P0651, P18C5, P18C7 P18C5, P18C7 P0651, P18C5, P18C7 -
Signal 1 P18C4 P18C5 P18C5 P0729, P0731, P0732, P0733, P0734, P0735, P076F, P18C9
Signal 2 P18C6 P18C7 P18C7 P0729, P0731, P0732, P0733, P0734, P0735, P076F, P18C9
Low Reference - P18C5, P18C7 - -