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): Procedure
- Initiate On Board Diagnostic (OBD) of automatic vertical headlight aim control. See AUTOMATIC VERTICAL HEADLIGHT AIM CONTROL ON BOARD DIAGNOSTIC (OBD), INITIATINGΒ .
Display on VAS 5051:
- Select diagnostic function "07 - Code Control Module" in selection -1-.
Display on VAS 5051:
- Enter code word Max. input value = 32767
- Enter 5-digit coding in button field -2-. Insert zeros in front.
| Code | Vehicle model/drive layout |
|---|---|
| 00020 | A6/S6 sedan/Avant |
| 00030 | allroad quattro |
Example:
Desired input value: 20
Keypad input: 00020
- Press -Q- button to confirm input.
Display on VAS 5051:
- Coding will be performed
- Wait until the next indication appears on display.
Display on VAS 5051:
- Coding in vehicle system performed
- Control module identification with new coding
- (previous coding in parentheses)
- End function "07 - Erase DTC Memory" by pressing <-- button.
- Initiate Output Diagnostic Test Mode (DTM). See BASIC SETTING (FUNCTION 04)Β .
Use the Manual With the Right Hardware
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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.
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