Diagnostic Test
WARNING: This page is about a different variant/trim than selected.
- CHECK FOR BCM CAN BUS DTCS
- With the scan tool, read BCM DTCs.
Are any BCM CAN BUS DTCs present?
Yes
- Refer to DIAGNOSIS AND TESTING and perform the appropriate diagnostic procedure. Perform the diagnostic procedure for DTC U0001-CAN C BUS first if the fault is present.
- Refer to STANDARD PROCEDURE and perform the TRANSMISSION VERIFICATION TEST.
No
- Go To 2.
- With the scan tool, read BCM DTCs.
- CHECK IF ENGINE DTCS ARE PRESENT
- With the scan tool, read engine DTCs.
Are any engine DTCs present?
Yes
- Perform the appropriate diagnostic procedure.
- Refer to STANDARD PROCEDURE and perform the TRANSMISSION VERIFICATION TEST.
No
- Using the schematics as a guide, check the Transmission Control Module A (TCMA) terminals for corrosion, damage or terminal push out. If no problems are found, replace and program the TCMA in accordance with the Service Information. Refer to VALVE BODY, REMOVAL .
- Refer to STANDARD PROCEDURE and perform the TRANSMISSION VERIFICATION TEST.
- With the scan tool, read engine DTCs.