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Symptom: TCM MESSAGES NOT RECEIVED When Monitored and Set Condition: TCM MESSAGES NOT RECEIVED When Monitored: With the ignition in unlock. Set Condition: The module does not receive any messages from the TCM. Time to mature for the BCM, DDM, IPM and PDM is 5 seconds. POSSIBLE CAUSES ATTEMPT TO COMMUNICATE WITH THE TCM MODULE TEST ACTION APPLICABILITY 1 Turn the ignition on. t, attempt to communicate with the Transmission Control Module. Was the DRBIII t able to I/D or communicate with the TCM? All Yes → Go To 2 No → Refer to the Communication category for the related symptom(s). Perform BODY VERIFICATION TEST - VER 1. 2 With the DRBIII t, erase DTC’s. Cycle the ignition switch from off to on and wait approximately 1 minute. t, read DTC’s. Did this DTC reset? All Yes → Replace the module which set the DTC in accordance with the service information. No → Test Complete. 365 COMMUNICATION |