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Jake Cheek
Jake Cheek,
Category: Chevy
Satisfied Customers: 24
Experience:  Automotive Technician at Hendrick Chevrolet
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What does the transfercase control module exactly control on

Customer Question

What does the transfercase control module exactly control on a 96 chevy suburban?
Submitted: 8 months ago.
Category: Chevy
Expert:  Jake Cheek replied 8 months ago.

Hi my name is ***** ***** to JustAnswer.

Here is the description of the transfer case control module.

  1. The TCCM performs the following functions:
    • Receives input signals
    • Processes the signal information
    • Develops output signals
    • Sends the output signal in order to control the shifting of the transfer case
  2. The TCCM receives input signals from the following sources:
    • The transfer case shift select buttons
    • The NSBU switch on the vehicles with automatic transmissions
    • The clutch position switch on the vehicles with manual transmissions
    • The vehicle sped sensor calibrator module
    • The encoder/motor range and the mode feedback signals
    • The diagnostic enable
    • The front axle mechanical status signal
  3. In order to ensure the electronic shift system is operating properly, the transfer case control module (TCCM) continually performs diagnostics checks on itself and other parts of the electronic shift system when the ignition switch is in the run position. The following are different types of system checks that the TCCM continually performs.
Expert:  Emily-cssm replied 8 months ago.
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