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What is a transfer case shift control module?

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What is a transfer case shift control module?

Transfer Case Control Module (TCCM) is the brain behind the electronically shifted 4WD systems. The TCCM processes the shift request from the dash mounted mode selector buttons, executes the shift, and verifies the shift was completed. Replace your current failing or faulty item with this direct replacement.

How do you reset the transmission control module on a Chevy Silverado?

Steps to Resetting Transmission Control Module

  1. Step 1: Turning Key Position.
  2. Step 2: Press gas pedal.
  3. Step 3: Keep Waiting.
  4. Step 4: Turning the Key Off.
  5. Step 5: Releasing Gas Pedal.
  6. Step 6: Wait Again.
  7. Step 7: Ready.
  8. Identification.

How do I know if my encoder motor is bad?

Strange noises: You may hear one or more odd sounds coming from the transfer case, or from under your vehicle. These can include grinding, chattering or clicking. Any of these can indicate a bad transfer case.

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.

Where is the transfer case control module located?

The transfer case control module symptoms make you aware of any problem with the system. Where is the transfer case control module located? You will find it under the driver’s side dashboard on the steering column. The driver can reach the connectors easily because it is facing towards them.

What kind of transfer case does a Chevy Silverado use?

Figure 1. Example of a Chevy Silverado transfer case. Most modern transfer cases are chain-driven to deliver torque, while older vehicles used a set of gears. Chains are lighter as well as quieter than gears, but gears can often withstand greater amounts of torque and they don’t stretch like chains do.

How does a transfer case work on a 4WD truck?

When you switch the truck into 4WD, the transfer case control module forces the transfer case to engage the front wheel drive shaft, which locks the front CV axle. Off-road aficionados owe a lot of gratitude to the inventor of the transfer case.

What happens to the shift motor on a Chevy Silverado?

The transfer case shift motor in your Chevy Silverado bolts to the transfer case. This shift motor contains an electrically powered armature that moves a gear selector through a driver controlled switch. However, when the component fails, the motor ceases to operate and the drive modes cannot be changed.