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PRNDL MESSAGE NOT RECEIVED For a complete wiring diagram Refer to Section 8W. • When Monitored: • Set Condition: Possible Causes LOST COMMUNICATION WITH TCM HANDS FREE MODULE Diagnostic Test 1. ATTEMPT TO COMMUNICATE WITH THE TCM Turn the ignition on. Turn the radio on. With the DRB, attempt to communicate with the TCM. Was the DRB able to communicate with the TCM? Yes >> Go To 2 No >> (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - DIAGNOSIS AND TESTING) and perform the related symptom. 2. ERASE DTC AND ATTEMPT TO RESET With the DRB, erase the HFM DTC’s. Cycle the ignition switch from off to on and wait approximately 1 minute. With the DRB, read the HFM DTC’s. Did this DTC reset? Yes >> Replace and program the Hands Free Module in accordance with the service information. Perform BODY VERIFICATION TEST - VER 1. (Refer to BODY VERIFICATION TEST - VER 1.) No >> The condition that set this DTC is no longer present. Using the wiring diagram/schematic as a guide, inspect the wiring for chafed, pierced, pinched, and partially broken wires and the wiring harness con- 8T - 52 NAVIGATION/TELECOMMUNICATION - ELECTRICAL DIAGNOSTICS DR/DH |