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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 P18CA: Gear Position Sensor >> Circuit/System Verification

Circuit/System Verification

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.
  1. Perform the gear position sensor learn procedure.
    • If the gear position sensor learn was not successful 

      Refer to Circuit/System Testing.

    • If the gear position sensor learn was successful 
  2. All OK.
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