1999 Audi A8 BaseFACTORY OEM SERVICE PROCEDURE

Code Control Module (scan tool function 07): Notes

Coding the ESP control module adapts the control module to the vehicle.

New control modules from the parts distribution center are un-coded and must be coded after being installed.

Coding is only possible if a dealership number is stored in the VAG1551 scan tool.

Before the control module can be coded, "Login Procedure" function 11 must have been successfully carried out using the VAG1551/1552 scan tool. See LOGIN PROCEDURE (SCAN TOOL FUNCTION 11)Β  .

After the control module is coded, the steering angle sensor -G85- must be zeroed without leaving "Basic Setting" function 04, display group 001. See BASIC SETTING (SCAN TOOL FUNCTION 04)Β  .

NOTE: If the control module is coded with code 00000 or with a code that does not match the vehicle, the ABS warning light -K47- and the traction control indicator light -K86- light continuously, and the DTC01044 - "Control module incorrectly coded" is stored in the DTC memory of the control module.
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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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