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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 P088C or P088D: Reverse Inhibit Solenoid Actuator >> 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. Ignition On/Vehicle In Service Mode
  2. Perform the scan tool control function: Reverse Inhibit Solenoid Actuator On and Off

    Verify a click can be heard or felt at the component when it is turned On and Off: M47 Reverse Inhibit Solenoid Actuator

    • If a click cannot be heard or felt 

      Refer to: Circuit/System Testing

    • If a click can be heard or felt 
  3. Operate the vehicle within the Conditions for Running the DTC. You may also operate the vehicle within the conditions that you observed from the Freeze Frame/Failure Records data.

    Verify the DTC does not set.

    • If the DTC sets 

      Refer to: Circuit/System Testing

    • If the DTC is not set 
  4. All OK.