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Home >> GMC >> 2024 >> Terrain SLT, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 6 (Automatic Transmission - 6T40 (MNH) - Diagnostic Information And Procedures) >> Diagnostic Information and Procedures >> DTC P2723 or P2724 >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different car, the 2024 Chevrolet Equinox. However, it is still accessible from the selected car via links, so may be relevant.
WARNING:

If DTC P2724 is present, the vehicle could have forward propulsion while in neutral. Failure to keep the brake pedal depressed while starting or  shifting through the gear ranges may cause the vehicle to move forward resulting in potential vehicle damage and possibly injury or death.

  1. Verify the condition does not exist: Incorrect fluid level or condition - Refer to: Transmission Fluid Level and Condition Check 
    • If a condition exists 

      Repair or replace as necessary

    • Go to next step: If no condition exists 
  2. Ignition - On / Vehicle - In Service Mode
  3. Clear the DTCs.
  4. Road test the vehicle. - Refer to: Road Test 

    Verify DTC P0716, P0717, P0722, P0723 is not set.

    • Go to next step: If none of the DTCs are set 
  5. Verify DTC P2723, P2724 is not set.
    • If DTC P2723 or P2724 is set 

      Refer to: Circuit/System Testing

    • Go to next step: If none of the DTCs are set 
  6. 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

    • Go to next step: If the DTC is not set 
  7. All OK.