How do I know if my transfer case control module is bad?

How do I know if my transfer case control module is bad?

What are the Symptoms of a Bad Transfer Case?

1. Shifting Issues.
2. Hard to stay in 4WD?
3. 4WD Won’t Engage or Disengage.
4. Fluid Puddle Under the Transfer Case’s Location.
5. Strange Grinding, Growling or Humming Noises.
6. Possible Causes of a Bad Transfer Case.
7. So why S&G?

Where is the transfer case control module located?

The transfer case control module is located on the driver side dash, on the steering column.

What does Transfer Case Control Module do?

The Transfer Case Control Module (TCCM) is the brain behind the electronically shifted GM 4WD systems. The TCCM processes the shift request from the dash mounted mode selector buttons, executes the shift, and verifies the shift was completed.

Where is the Tccm fuse located?

It is under the hood, usually on the driver’s side.

Where is the transfer case control module fuse?

What are the symptoms of a bad 4WD actuator?

How do I know if my 4 wheel drive actuator is bad?

• Difficulty engaging four-wheel drive. One of the first symptoms of a potential problem with the front axle engagement switch is difficulty engaging the vehicle’s four-wheel drive system.
• Four-wheel drive becomes stuck.
• Four-wheel drive mode does not activate.

How do you diagnose a bad TCM?

Some common signs of a bad transmission control module include:

1. Unpredictable shifting.
2. Trouble shifting into higher gear.
3. Trouble downshifting.
4. Getting stuck in the same gear.
5. Poor fuel economy.
6. Check engine light comes on.

Is there a fuse for the transfer case control module?

| TREC fuse, located in the fuse box under the hood. The standard 30 AMP fuse that supplies power to the gear motor and shift control module.

How do I test my Silverado Tccm?

A quick and easy test for the 4WD light system is to ground TCCM terminals #C11, C12 & C13 individually and see if each 4WD light illuminates. If each 4WD light illuminates, the 4WD light circuits are intact. Suspect a possible TCCM problem.

How much does it cost to replace a transfer case module?

Transfer Case Shift Motor Replacement Cost – RepairPal Estimate. Labor costs are estimated between $88 and $111 while parts are priced between $496 and $546. This range does not include taxes and fees, and does not factor in your specific vehicle or unique location. Related repairs may also be needed.

The Transfer case control module is located on the RH side of the Cab under the glove box on the floor.

What does a transfer case module do?

The Transfer Case Control Module (TCCM) is a specialty of the General Motor ’s 4WD operation. It controls the electronically-operated 4-wheel-drive system. All of its functions involve the shift – processing the shift request, executing it, and verifying the completion.

What is a transfer case module?

The Transfer Case Control Module (TCCM) (Transfer Case Control Module (TCCM)) is a microprocessor-based assembly, controlling the 4X4 transfer case shift functions via the actuation of a shift motor and utilizing the feedback of a mode sensor assembly. Communication is via the PCI serial bus.