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.
Display group 1: Zeroing the steering angle sensor -G85
Zeroing of the steering angle sensor -G85- must be accurate to + 5 degrees.
The steering angle sensor -G85- must be zeroed:
- If the ABS Control Module (w/EDL) -J104-, the steering angle sensor -G85-, or the steering column was replaced
- After coding the ABS Control Module (w/EDL) -J104-
- If adjustments were made to the running gear
- If you found a DTC in the DTC memory of the ABS Control Module (w/EDL) -J104- and the DTC table indicated the sensor needs to be zeroed.
- Turn the engine on.
- Turn the steering wheel one turn to the right and one turn to the left.
- On a level surface, carry out a short test drive. Drive straight ahead and do not exceed 20 km/h.
- If the steering wheel is level during the test drive, stop the car.
- Zero the sensor (see the page after the next page).
Do not move the steering wheel.
Do not switch ignition off.
or
- If the steering wheel is not level, check the wheel alignment and adjust as necessary. See WHEEL ALIGNMENT PROCEDURES .
- Check the suspension geometry and center the steering according to the operation manual for the alignment machine. This means you adjust the front wheels to face directly ahead.
- Zero the sensor.
Do not move the steering wheel.
Do not switch ignition off.
- 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 .
Indicated on display
- Press buttons -1- and -1- to select "Login Procedure" function 11.
Indicated on display
- Press the -Q- button to confirm input.
Indicated on display
- Press buttons -4-, -0-, -1-, -6- and -8- to input code 40168. Press -Q- button to confirm input.
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 -1-. Press -Q- button to confirm input.
If this appears in display, the "Login Procedure" has not been successfully carried out
Indicated on display
- Check the zero position using "Read Measuring Value Block" function 08 (see MEASURING VALUE BLOCK (SCAN TOOL FUNCTION 08), READING ) and display group 5 (see Figure ).
or
Indicated on display
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:
- • 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.
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