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TCM Messages Not Received

NOTE: After making any repairs, perform BODY VERIFICATION TEST  under VERIFICATION TESTS.
  1. Turn ignition on. Using scan tool, attempt to communicate with Transmission Control Module (TCM). If scan tool communicates with TCM, go to next step. If scan tool does not communicate with TCM, go to NO RESPONSE FROM TRANSMISSION CONTROL MODULE .
  2. Using scan tool, erase DTCs. Turn ignition off and on. Wait a minimum of one minute. Using scan tool, check for DTCs. If DTC resets, replace Body Control Module (BCM). See BODY CONTROL MODULE  under REMOVAL & INSTALLATION. If DTC does not reset, testing is complete.
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