Circuit/System Verification
WARNING: This page is about a different car, the 2023 GMC Acadia. However, it is still accessible from the selected car via links, so may be relevant.
WARNING:
Refer to Parking Brake and Drive Wheels Warning .
- Ignition - On/Vehicle - In Service Mode
- Operate the component: A97 Transmission Range Selector Controls - L
Verify the scan tool parameter: Driver Shift Control Mode Switch@Body Control Module = Active or On
- If not the specified state
Refer to: Circuit/System Testing
- Go to next step: If the specified state
- If not the specified state
- Press and hold the switch: S2A Transmission Manual Shift Switch - Up/Down - Upshift
Verify the scan tool parameter: Driver Shift Control Mode Switch = Up or Upshift
- If not the specified state
Refer to: Circuit/System Testing
- Go to next step: If the specified state
- If not the specified state
- Press and hold the switch: S2A Transmission Manual Shift Switch - Up/Down - Downshift
Verify the scan tool parameter: Driver Shift Control Mode Switch = Down or Downshift
- If not the specified state
Refer to: Circuit/System Testing
- Go to next step: If the specified state
- If not the specified state
- 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
- If the DTC sets
- All OK.