Removal And Installation: Removal
NOTE:
If this Electronic Control Unit (ECU) is being replaced with a new unit, a diagnostic scan tool MUST be used to align the PROXI configuration data into the new ECU. Follow the routine outlined in the diagnostic scan tool for PROXI Configuration Alignment under Body Control Module (BCM) Miscellaneous Functions menu.
- Disconnect and isolate the negative battery cable. If equipped with an Intelligent Battery Sensor (IBS), disconnect the IBS connector first before disconnecting the negative battery cable.
- Remove the rear quarter trim panel. Refer to PANEL, QUARTER TRIM, REMOVAL
.
- Disconnect the Trailer Tow Module (TTM) wire harness connectors (1).
- Remove the fasteners (1) holding the TTM to the mounting bracket and remove TTM from vehicle.