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.
Code Control Module (function 07)
If a control module with traction control function (ASR) is replaced, or if one of the following codes are stored in the DTC memory of the control module, the control module must be coded according to the type of engine and transmission.
- "ABS/EDL/transmission - electrical connection"
- "Control module incorrectly coded"
- "CAN-Bus - message missing from transmission control module"
- The coding can only be performed if a workshop code is stored in VAG 1551 scan tool.
- The 5-digit coding will appear when the control module identification is displayed.
- Connect VAG 1551 scan tool and select address word 03: "Brake electronics". See VAG 1551 SCAN TOOL, CONNECTING AND ENTERING ADDRESS WORD .
- Check the control module version. See CHECK CONTROL MODULE VERSIONS (FUNCTION 01) and Press --> button.
- Press --> button.
Indicated on display
- Press buttons -0- and -7- for the function "Code Control Module".
Indicated on display
- Press -Q- button to confirm input.
Indicated on display:
- Enter the required code and confirm with -Q- button.
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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.