FAQ for Body Control Module Repair
Q: How to install the Communication Interface Module (TrailBlazer, Envoy)?
A:
First, you should install the module to the upper bracket and connect the electrical connectors. Next, you should install the protective cover to the module, position the right rear seat bottom to a passenger position, and reconfigure the OnStar(R) system.
By BobGM Specialist
01/11/2022 Q: How to remove the Body Control Module?
A:
First, you should disconnect the negative battery cable. Then you should remove the left second-row seat and the rear electrical center cover. In addition, you should disconnect the body wiring extension and the electrical connector. Finally, the BCM should be removed.
By BobGM Specialist
01/11/2022 Q: What is the recommended torque for the bolts that retain the module to the liftgate?
A:
The recommended torque is 10 N.m (89 lb in).
By BobGM Specialist
01/11/2022 Q: What is the recommended torque for the module thumb screw?
A:
The recommended torque is 0.2 N.m (2 lb in).
By BobGM Specialist
01/11/2022 Q: What should be noted during the removal of the Communication Interface Module?
A:
The vehicle communication interface module (VCIM) has a specific set of unique numbers that tie the module to each vehicle. Because these numbers are tied to the vehicle identification number of the vehicle, you must never exchange these parts with those of another vehicle.
By BobGM Specialist
01/11/2022 Q: What should be noted when removing the Body Control Module Body Wiring Harness Extension Harness?
A:
You should be careful not to touch the exposed electrical contacts of the body wiring extension.
By BobGM Specialist
01/11/2022 Q: How to install the Liftgate Control Module?
A:
You should install the module, the bolts that retain the module to the liftgate, and the liftgate trim panel. In addition, you should connect the electrical connectors.
By BobGM Specialist
01/11/2022 Q: How to remove the Body Control Module Body Wiring Harness Extension Harness?
A:
First, you should disconnect the negative battery cable. Next, you should remove the left second-row seat and the rear electrical center cover. In addition, you should disengage the sliding latch retaining the BCM to the rear electrical center. Then, you should disconnect the body wiring extension and electrical connector. Finally, the body wiring extension should be removed from the vehicle.
By BobGM Specialist
01/11/2022 Q: How to remove the Liftgate Control Module?
A:
You should disconnect the electrical connectors and remove the following parts: the liftgate trim panel, the bolts that retain the module to the liftgate, and the module.
By BobGM Specialist
01/11/2022 Q: How to install the Body Control Module?
A:
First, you should install the BCM and connect the electrical connector. Next, you should install the rear electrical center cover and the left second-row seat. Finally, you should connect the negative battery cable.
By BobGM Specialist
01/11/2022 See more FAQs (5)