Diagnostic Test
- CHECK FOR AN ACTIVE DTC
- Turn the ignition on.
- Press the Axle Lock Switch three times.
- With the scan tool, read DTCs.
Does the scan tool display this DTC as active?
Yes
- Replace the Upper Switch Bank in accordance with the Service Information.
- Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - Standard Procedure .
No
- Test complete, the condition or conditions that originally set this DTC are not present at this time. Using the wiring diagrams as a guide, check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals, and correct pin tension.
- Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - Standard Procedure .