Control Module: Service and Repair
Transfer Case Shift Control Module ReplacementRemoval Procedure
1. Remove the IP trim bezel.
2. Pull out the lamp switch, 4WD shift buttons, cargo lamp and air deflector louver assembly in order to disconnect the electrical connectors.
3. Disconnect all the electrical connectors from the lamp switch, cargo lamp and 4WD shift buttons assembly.
4. Remove the lamp switch, 4WD shift buttons, cargo lamp and air deflector louver assembly from the vehicle.
5. Remove the electrical harness retainer from the IP support beam.
6. Disconnect the 2 electrical connectors from the transfer case shift control module.
7. Move the electrical harness to the left side in order to make room to turn the transfer case shift control module.
8. Rotate the transfer case shift control module about 45 degrees counter clockwise while pulling out at the same time until the module is approximately 90 degrees from the original position.
9. Pull out the module from the vehicle.
Installation Procedure
1. Move the electrical harness to the left side in order to make room to install the transfer case shift control module.
2. Install the transfer case shift control module so that the electrical connector ports are to the right or pointing towards the instrument cluster.
3. While installing the transfer case shift control module rotate clockwise until the module is in place and the electrical connector ports are facing outwards.
4. Install the electrical harness retainer to the IP support beam.
5. Connect the 2 electrical connectors to the transfer case shift control module.
6. Install the lamp switch, 4WD shift buttons, cargo lamp and air deflector louver assembly the vehicle.
7. Connect all the electrical connectors to the lamp switch, cargo lamp and 4WD shift buttons assembly.
8. Install the lamp switch, 4WD shift buttons, cargo lamp and air deflector louver assembly in place.
9. Install the IP trim bezel.
10. Start the engine and test the automatic transfer case system for proper shift operation.