LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Jeep >> 2023 >> Wagoneer L Base, 4WD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Collision/Avoidance >> Electronic Control Modules (Service Information) (2 Of 2) >> Module, Transmission Control (TCM) >> Module Programming >> Programming The Transmission Control Module >> Programming The Transmission Control Module
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Programming The Transmission Control Module

PROGRAMMING THE TRANSMISSION CONTROL MODULE 

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.

  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) and 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 TCM ADAPTATION procedure. Refer to TCM ADAPTATION - 850RE / 8HP75  .
  6. Perform the TRANSMISSION VERIFICATION TEST. Refer to TRANSMISSION VERIFICATION TEST .
scientia non olet · About LEMON Manuals