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Programming The Transmission Control Module (TCM)

PROGRAMMING THE TRANSMISSION CONTROL MODULE (TCM) 

NOTE:

New Transmission Control Modules (TCMs) are supplied with generic software. When replacing a TCM, it must be programmed with vehicle specific software.

NOTE:

Failure to properly program the TCM will cause DTC(s) to be set.

NOTE:

Always use a battery charger when programming any Electronic Control Unit (ECU).

  1. The following conditions must be met during the reprogramming procedure:
    • Battery must be maintained between 10 and 16 volts. Connect a battery charger if necessary.
    • Ambient temperature must be between 0°C (32°F) 60°C (140°F).
    • Gear Selector must be in PARK.
  2. With the scan tool and Dealer Connect, download the appropriate TCM flash file to the scan tool.
  3. Turn the ignition on.
  4. Following the menu on the scan tool, program the TCM.
  5. Perform the Gearbox Replacement routine.
  6. Perform the TRANSMISSION VERIFICATION TEST Refer to: TRANSMISSION VERIFICATION TEST .
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