Circuit/System Verification
WARNING: This page is about a different car, the 2019 GMC Savana 3500, 2019 GMC Savana 2500, 2019 Chevrolet Express 3500, and 2019 Chevrolet Express 2500. However, it is still accessible from the selected car via links, so may be relevant.
- 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
- If a condition exists
- Ignition - On / Vehicle - In Service Mode
- Clear the DTCs.
- Road test the vehicle. - Refer to: Road Test
Verify DTC P0716, P0717, P0722, P0723 is not set.
- If any of the DTCs are set
- Go to next step: If none of the DTCs are set
- Verify DTC P2714, P2715 is not set.
- If DTC P2714 or P2715 is set
Refer to: Circuit/System Testing
- Go to next step: If none of the DTCs are set
- If DTC P2714 or P2715 is set
- 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.