Diagnostic Test
- CHECK FOR AN ACTIVE DTC
- With the scan tool, read DTCs.
Is the DTC active?
Yes
- Go To 2
No
- Test Complete.
- With the scan tool, read DTCs.
- CHECK TRANSMISSION CONTROL MODULE (TCM)
- Check that the TCM is working correctly.
Is the TCM working correctly?
Yes
- End of diagnosis.
No
- Replace the TCM in accordance with the Service Information. Refer to MODULE, TRANSMISSION CONTROL (TCM), REMOVAL AND INSTALLATION .
- Check that the TCM is working correctly.