Circuit / System Verification
WARNING: This page is about a different car, the 2021 Cadillac XT6. However, it is still accessible from the selected car via links, so may be relevant.
- Ignition / Vehicle & All vehicle systems - OffNOTE:
Wiring harness routing is critical.
- Verify the following conditions do not exist: Battery Negative CableorBattery Negative Cable Ground Bolt - Electromagnetic Interference / Incorrect mounting location / Incorrect routing - Refer to: Master Electrical Component List
- If a condition exists
Repair or replace as necessary
- Go to next step: If no condition exists
- If a condition exists
- 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 DTCs
- 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 DTC P187D, P18E7, P18E8, P27EB, P27ED, P27EE, P27EF, P27F1, P27F2 is not set.
- If DTC P27EB, P27ED, P27EE, P27EF, P27F1, P27F2 is set
- If DTC P187D, P18E7, P18E8 is set
Refer to: Diagnostic Fault Information
- Go to next step: If none of the DTCs are set
- All OK.