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.
Encode control module
If a control module with traction control function (ASR) is replaced, or if the following malfunction is stored in the DTC memory of the control module.
- "ABS/EDL/transmission - electrical connection"
The control module must be coded according to the type of engine and transmission.
- The coding can only be performed if a workshop code is stored in V.A.G 1551
See Operating instructions for V.A.G 1551
- The 5-digit coding will appear when the control module identification is displayed.
- The ABS/EDL/ASR control module with index "N" was additionally introduced as of 05.95 together with automatic transmission 01V for vehicles with ASR traction control. Alternative control module codes for automatic transmission 01V were added accordingly.
- Control modules with index "N" supplied as replacement parts can be used to replace previous control modules with index "M".
- Control modules with index "M" will no longer be supplied as replacement parts for vehicles prior to 05.95 once existing stocks have been used up.
- Connect Scan tool V.A.G 1551 and select "Brake electronics" with address word 03. See VAG1551 SCAN TOOL (ST), CONNECTING AND ENTERING ADDRESS WORD .
- Check control module version. See CHECK CONTROL MODULE VERSION . Press --> button.
- A 3-digit or 5-digit code must always be displayed.
- The control module must be coded as follows if the display does not show the correct code for the vehicle or if a new control module has been installed.
Indicated on display:
- Press buttons -0- and -7- for "Coding control module" function.
Indicated on display:
- Confirm input with -Q- button.
Indicated on display:
- Enter the required code number and confirm with -Q- button.
| Engine/transmission combination | Code | Specified status |
|---|---|---|
| 2.8 I. 6-cyl. engine/ manual transmission 012 | 00000 | Pin 45 on ABS Control Module (w/EDL) -J104- not allocated. No voltage present at pin 45. |
| 2.8 I. 6-cyl. engine/automatic transmission 01K | 00001 | ABS Control Module (w/EDL) -J104- connected via pin 45 to transmission control module -J217. Voltage present at pin 45. |
| 3.7 I. 8-cyl. engine/automatic transmission 01V | 00002 | ABS Control Module (w/EDL) -J104- connected via pin 45 to transmission control module -J217. Voltage present at pin 45. |
| 2.8 I. 6-cyl. engine/automatic transmission 01V | 00003 | ABS Control Module (w/EDL) -J104- connected via pin 45 to transmission control module -J217. Voltage present at pin 45. |
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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