Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSAUDI1998A8 SEDAN (4D2) V8-3.7L (AEW)REPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSTESTING AND INSPECTIONPROGRAMMING AND RELEARNING5 SPEED AUTOMATIC 01L AWD
1998 Audi A8 Sedan (4D2) V8-3.7L (AEW)
5 Speed Automatic 01L AWD
1998 Audi A8 Sedan (4D2) V8-3.7L (AEW)SECTION 5 Speed Automatic 01L AWD
Code Control Module (Scan Tool Function 07)
- Connect VAG1551 scan tool, insert "Transmission Electronics" address word 02, and advance through program sequence until "Select function XX" is displayed. Scan Tool Connecting and Initial Checks
Indicated on display
Rapid data transfer HELP
Select function XX
- Press buttons -0- and -7- to select "Code Control Module" function 07.
NOTE:
The Transmission Control Module (TCM) can be successfully coded only with:
- Ignition switched on
- Gear selector lever in "P" or "N" position
- Accelerator pedal at Closed Throttle Position (CTP)
- Vehicle not moving
- Engine not running
Indicated on display
Rapid data transfer Q
02 - Transmission Electronics
- Press -Q- button to confirm input.
Indicated on display
Code Control Module HELP
Input code number XXXXX
- Input code number according to table.
- Press -Q- button to confirm input.
NOTE:
- Other codes are not permitted.
- After coding, DTC memory is automatically erased.
- Press -> button.
Indicated on display
Rapid data transfer HELP
Select function XX
- Press buttons -0- and -1- to select "Check control Module Versions" function 01, and press -Q- button to confirm.
Indicated on display (example)
4D0927156K AG5 01L 4,21 4V USA D29
Coding 00002 WSC 01268
- Check coding (refer to table).
If indicated on display:
Malfunction ->
Coding XXXXX not accepted!
NOTE:
- The code that was entered is invalid, or is not recognized by the TCM.
- If an invalid code has been entered, the TCM will retain the old coding.
- Only older VAGl551 program cards will display the TCM identification with the old coding after an invalid code has been entered.
If indicated on display:
Function is unknown or ->
cannot be carried out at the moment
An attempt has been made to input coding under conditions that do not permit it (e.g. transmission drive mode selected).
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.