LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Volkswagen >> 2002 >> Passat W8 4Motion, 4D Sedan >> Repair and Diagnosis >> Engine Performance >> System >> 4.0L - Generic Scan Tool, Engine Code(S) BDP >> 38 Automatic Transmission - Gears, Hydraulic controls >> Transmission Control Module (TCM) >> Transmission Control Module (TCM), replacing
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Transmission Control Module (TCM), replacing

Work procedure 

Check control module identification of the previous Transmission Control Module (TCM) as follows:

Control module identification will be displayed, e.g.:

3B0927156T 2222

NOTE: The Transmission Control Module (TCM) is located under floor carpet in footwell in front of front passenger's seat.

Refer to UPPER B-PILLAR TRIM, REMOVING AND INSTALLING

Fig 1: Removing Transmission Control Module (TCM) From Box
GW00005195Courtesy of VOLKSWAGEN UNITED STATES, INC.

Observe safety precautions. Refer to Safety precautions  .

Fig 2: Positioning Connector On Connector Housing
GW00005196Courtesy of VOLKSWAGEN UNITED STATES, INC.

Rest of installation is in reverse order of removal.

If Transmission Control Module (TCM) -J217- was replaced:

Refer to VAS5051 Vehicle Diagnostic, Testing and Information System; Guided Fault Finding; Vehicle System Test or VAS5052; Vehicle Self-Diagnosis