Circuit/System Verification
WARNING: This page is about a different car, the 2018 GMC Yukon XL, 2018 GMC Yukon, 2018 Chevrolet Tahoe, 2018 Chevrolet Suburban 3500 HD, and 2018 Chevrolet Suburban. However, it is still accessible from the selected car via links, so may be relevant.
- Engine Running, place the gear selector in Reverse for 5 seconds and then idle the vehicle in Park for 5 seconds.
- Verify the scan tool parameters listed below do not display Malfunction:
- Shift Solenoid Valve 2 Control Circuit High Voltage Test Status
- Shift Solenoid Valve 2 Control Circuit Open Test Status
- Shift Solenoid Valve 2 Control Circuit Low Voltage Test Status
- If Malfunction is displayed
Refer to Circuit/System Testing.
- Go to next step: If Malfunction is not displayed
- Operate the vehicle within the Conditions for Running the DTC. You may also operate the vehicle within the conditions that you observe 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 does not set
- If the DTC sets
- All OK.