Transmission Control Module (TCM) identification

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Depending upon version (program level), the Transmission Control Module (TCM) can indicate an identification number different from that shown in the example. Control Module applications Parts catalog microfiche.

096 927 731 AD: Part number
AG4 Gearbox 096: 4-speed automatic transmission 096
1283: EPROM (Program level)
Coding 00000: Not required at present
WSC 131071: Dealership number of the VAG 1551 Scan Tool (ST) with which the most recent coding was carried out (example).

Indicated on display:

Fig 1: VAG 1551 Scan Tool Display - Transmission Control Modul Identification (1 Of 3)

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A list of possible malfunction causes can be printed out by pressing the HELP button.
After eliminating possible causes of malfunctions, again enter the address word 02 for "Transmission Electronics" and press -Q- to confirm.

If "Control module does not answer!" appears again:

Indicated on display:

Fig 2: VAG 1551 Scan Tool Display - Transmission Control Module Identification (2 Of 3)

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Check Battery Positive Voltage (B+) supply to Transmission Control Module (TCM):

Perform electrical test step 1. See TRANSMISSION ELECTRICAL TESTING .
Check wiring connections to Data Link Connector (DLC) sockets.
See appropriate WIRING DIAGRAM articles.

See DIAGNOSTIC TROUBLE CODE (DTC) TABLE .
Press --> button.

Indicated on display:

Fig 3: VAG 1551 Scan Tool Display - Transmission Control Module Identification (3 Of 3)

Courtesy of VOLKSWAGEN OF AMERICA, INC.

After pressing the HELP button, a list of the possible functions is printed out.