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.
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HOMESERVICE MANUALSAUDI1998A8 SEDAN (4D2) V8-3.7L (AEW)REPAIR AND DIAGNOSISBRAKES AND TRACTION CONTROLANTILOCK BRAKES / TRACTION CONTROL SYSTEMSTESTING AND INSPECTIONSCAN TOOL TESTING AND PROCEDURESBASIC SETTING (SCAN TOOL FUNCTION 04)DISPLAY GROUP 2: ACTIVATING HYDRAULIC PUMP FOR TRACTION CONTROL
1998 Audi A8 Sedan (4D2) V8-3.7L (AEW)
Display Group 2: Activating Hydraulic Pump For Traction Control
1998 Audi A8 Sedan (4D2) V8-3.7L (AEW)SECTION Display Group 2: Activating Hydraulic Pump For Traction Control
Display group 2: Activating hydraulic pump for traction control -V156-
The hydraulic pump for traction control -V156is activated to bleed the hydraulic system.
- Connect the VAG1551 Scan Tool and select the address word 03 "Brake Electronics".
Indicated on display
- Press buttons -0- and -4- to select "Basic Setting" function 04.
Indicated on display
- Press the -Q- button to confirm input.
Indicated on display
- Press buttons -0-, -0- and -2-. Press -Q- button to confirm input.
Indicated on display
The hydraulic pump for traction control -V166- is activated for ten (10) seconds.
- Advance through program sequence by pressing (arrow) button.
Indicated on display
The hydraulic pump for traction control -V156is activated to bleed the hydraulic system.
- Connect the VAG1551 Scan Tool and select the address word 03 "Brake Electronics".
Indicated on display
- Press buttons -0- and -4- to select "Basic Setting" function 04.
Indicated on display
- Press the -Q- button to confirm input.
Indicated on display
- Press buttons -0-, -0- and -2-. Press -Q- button to confirm input.
Indicated on display
The hydraulic pump for traction control -V166- is activated for ten (10) seconds.
- Advance through program sequence by pressing (arrow) button.
Indicated on display
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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.