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 MANUALSAUDI1999A6 BASEREPAIR AND DIAGNOSIS (SINGLE PAGE)ACCESSORIES & EQUIPMENTWARNING SYSTEMSON BOARD DIAGNOSTIC (OBD) - UP TO 2000AUTOMATIC VERTICAL HEADLIGHT AIM CONTROL SYSTEM (>M.Y. 1999), ON BOARD DIAGNOSTIC (OBD)ERASE DTC MEMORY (SCAN TOOL FUNCTION 05)TEST REQUIREMENTS
1999 Audi A6 Base
Test requirements
1999 Audi A6 BaseSECTION Test requirements
- DTC memory checked. See CHECK DTC MEMORY (SCAN TOOL FUNCTION 02) .
- All malfunctions repaired
After checking DTC memory:
Indicated on display
Fig 1: VAG 1551 Scan Tool Display - Erase DTC Memory, Automatic Headlight Aim Control (1998-99) (1 Of 5)
- Press buttons -0- and -5- to select "Erase DTC Memory" function 05.
Indicated on display
Fig 2: VAG 1551 Scan Tool Display - Erase DTC Memory, Automatic Headlight Aim Control (1998-99) (2 Of 5)
- Press -Q- button to confirm input.
Indicated on display
Fig 3: VAG 1551 Scan Tool Display - Erase DTC Memory, Automatic Headlight Aim Control (1998-99) (3 Of 5)
DTC memory is erased.
- Press --> button.
Indicated on display
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.