Operation CHARM: Car repair manuals for everyone.
Home >> Audi >> 1997 >> A4 Sedan (8D2) V6-2.8L (ACK) >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Testing and Inspection >> Scan Tool Testing and Procedures >> Using Scan Tool VAG 1551 >> Control Module Identification
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

Control Module Identification



Depending on the production status (data status), the control module may display a different control module identification than shown in this example. For allocation of the control module, refer to Parts Catalog.
- 8D0927156: Part Number
- AG5 01 V: 5-Speed Automatic transmission 01V
- D59: EPROM (data status)

Readout in display.





A list of the possible causes of malfunctions can be printed out by pressing the HELP key.
- After correcting possible causes of malfunctions, once again enter address word 02 for "transmission electronics" and confirm with 0 key.

Readout in display.





If "Control module does not answer!" is again displayed:
Test supply voltage of the control unit.
- Perform test step 1, Electrical test. Component Tests and General Diagnostics
- Check wiring connections to Data Link Connector (DLC).
Refer to DTC table, under DTC 65535, Control module faulty!
- Press -> key.

Readout in display.





A list of the possible functions is printed out after pressing the HELP key.
pro multis · About Operation CHARM