Diagnostic Test

WARNING: This page is about a different variant/trim than selected.

CHECK FOR AN ACTIVE DTC

Turn the ignition on.
With the scan tool, read Transmission Control Module (TCM) DTCs and record on the repair order.
Is this DTC active?

Yes
- Perform the NO RESPONSE FROM ESM (ELECTRONIC SHIFT MODULE) diagnostic procedure. Refer to NO RESPONSE FROM ECU .
No
- Perform the STORED LOST COMMUNICATION DTCS diagnostic procedure. Refer to STORED LOST COMMUNICATION DTCS .