Diagnostic Test
WARNING: This page is about a different variant/trim than selected.
- TEST FOR INTERMITTENT CONDITION
- Turn the ignition on.
- With the scan tool, record and erase the DTCs.
- Activate the Electronic Stability Control (ESC) Switch several times.
- Wait 30 seconds.
- With the scan tool, read the DTCs.
Does the scan tool display this DTC as active?
Yes
- Go To 2
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 BODY VERIFICATION TEST .
- CHECK FOR A STUCK ESC SWITCH
- Check the ESC Switch for anything that may cause a sticking condition. Repair if necessary and check if DTC displays stored. If a sticking condition for the ESC Switch is not found, continue testing.
- Turn the ignition off.
- Disconnect the ESC Switch connector.
- Turn the ignition on.
- With the scan tool, read the active DTCs.
Does the scan tool display this DTC as active?
Yes
- Go To 3
No
- Replace the ESC Switch in accordance with the Service Information.
- Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
- CHECK THE (S53) ESC SWITCH OFF COMMAND CIRCUIT FOR A SHORT TO GROUND
- Turn the ignition off.
- Disconnect the BCM C4 harness connector.
- Measure the resistance between ground and the (S53) ESC Switch Off Command circuit.
Is the resistance below 10K Ohms?
Yes
- Repair the short to ground in the (S53) ESC Switch Off Command circuit.
- Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
No
- Replace the Body Control Module in accordance with the Service Information. Refer to MODULE, BODY CONTROL, REMOVAL .
- Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .