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HOMESERVICE MANUALSAUDI1999A8 BASEREPAIR AND DIAGNOSIS (SINGLE PAGE)ACCESSORIES & EQUIPMENTWARNING SYSTEMSON BOARD DIAGNOSTIC (OBD) - ABS/EDL/ASRELECTRONIC STABILIZATION PROGRAM (ESP)CODE CONTROL MODULE (SCAN TOOL FUNCTION 07)TEST SEQUENCE
1999 Audi A8 Base

Test sequence

1999 Audi A8 BaseSECTION Test sequence
  • Determine type of brake caliper installed on front axle of vehicle.

    The illustration shows the brake type FN3 made by Teves/Ate (recognized by: clip on brake pad carrier).

    Fig 1: Identifying Brake Type FN3
    G02727423Courtesy of AUDI OF AMERICA, INC.

    The illustration shows the brake type HP2 made by Lucas (recognized by: double-piston brake caliper).

  • Connect VAS5051 tester or VAG1551 scan tool and select the address word 03 "Brake Electronics". See VAG1551 SCAN TOOL (ST), CONNECTING AND ENTERING ADDRESS WORD  .
    Fig 2: Identifying Brake Type HP2
    G02727424Courtesy of AUDI OF AMERICA, INC.

Indicated on display

Fig 3: VAG 1551 Scan Tool Display - Code Control Module, Bosch 5.3 With ESP (Select Function)
G02727425Courtesy of AUDI OF AMERICA, INC.
  • Press buttons -1- and -1- to select "Login Procedure" function 11.

Indicated on display

Fig 4: VAG 1551 Scan Tool Display - Code Control Module, Bosch 5.3 With ESP (Login Procedure)
G02727426Courtesy of AUDI OF AMERICA, INC.
  • Press the -Q- button to confirm input.

Indicated on display

Fig 5: VAG 1551 Scan Tool Display - Code Control Module, Bosch 5.3 With ESP (Input Code Number)
G02727427Courtesy of AUDI OF AMERICA, INC.
  • Enter code according to the following table and press -Q- button to confirm input.
    LOGIN CODE - BOSCH 5.3 WITH ESP

    Type of brake caliper on front axle Login code
    FN3 Teves/Ate 05397
    HP2 double-piston brake caliper 05497

Indicated on display

Fig 6: VAG 1551 Scan Tool Display - Code Control Module, Bosch 5.3 With ESP (Select Function)
G02727428Courtesy of AUDI OF AMERICA, INC.
  • Press -0- and -7- buttons to select "Code Control Module" function 07 and press -Q- button to confirm input.

Indicated on display

Fig 7: VAG 1551 Scan Tool Display - Code Control Module, Bosch 5.3 With ESP (07 - Code Control Module)
G02727429Courtesy of AUDI OF AMERICA, INC.
  • Confirm input using the -Q- button.

Indicated on display

Fig 8: VAG 1551 Scan Tool Display - Code Control Module, Bosch 5.3 With ESP (Input Code Number)
G02727430Courtesy of AUDI OF AMERICA, INC.
  • Enter code according to the following table and press -Q- button to confirm input.
    CONTROL MODULE CODE - BOSCH 5.3 WITH ESP

    Type of brake caliper on front axle Coding
    FN3 Teves/Ate 08297
    HP-2 double-piston or Brembo caliper 08397

VAG1551 scan tool display indicates control module coding, for example: 4D0 907 379 D ABS/EPS front.

Fig 9: VAG 1551 Scan Tool Display - Code Control Module, Bosch 5.3 With ESP (Coding Example)
G02727431Courtesy of AUDI OF AMERICA, INC.
  • Press --> button.

Indicated on display

Fig 10: VAG 1551 Scan Tool Display - Code Control Module, Bosch 5.3 With ESP (Select Function)
G02727432Courtesy of AUDI OF AMERICA, INC.
  • Press -0- and -4- buttons to select "Basic Setting" function 04 and press -Q- button to confirm, to start zeroing procedure for steering angle sensor -G85-, display group 001, see BASIC SETTING (SCAN TOOL FUNCTION 04)  .
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.
RENDER: 1.0x

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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.