Removal And Installation

NOTE:

If this Electronic Control Unit (ECU) is being replaced with a new unit, use a diagnostic scan tool to perform the Flash Programming Procedure (if available). This will confirm that the module is updated to the latest applicable software level.

REMOVAL

Disconnect the negative battery cable. If equipped with an Intelligent Battery Sensor (IBS), disconnect the IBS connector.

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Disconnect the Torque Vectoring Module (TVM) wire harness connectors (1a).
Remove the TVM nuts (2a) and the TVM (1b).
Check that the TVM is not damaged.

INSTALLATION

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Position the TVM (1) in place.
Install the TVM nuts and tighten to the proper specification. Refer to TECHNICAL SPECIFICATIONS .
Connect the TVM wire harness connectors (3).
Connect the negative battery cable. If equipped with an Intelligent Battery Sensor (IBS), connect the IBS connector.
NOTE:
If this Electronic Control Unit (ECU) is being replaced with a new unit, use a diagnostic scan tool to perform the Flash Programming Procedure (if available). This will confirm that the module is updated to the latest applicable software level.
If the TVM needs is replaced. Refer to MODULE, TORQUE VECTORING (TVM), MODULE PROGRAMMING .
If the same TVM is reused, perform the TVM verification test. Refer to STANDARD PROCEDURE .

NOTE:

If this Electronic Control Unit (ECU) is being replaced with a new unit, a diagnostic scan tool MUST be used to determine if alignment of the PROXI configuration data into the new ECU is needed. If PROXI alignment is needed, follow the routine outlined in the diagnostic scan tool for PROXI Configuration Alignment under the Body Control Module (BCM) Miscellaneous Functions menu.