An ABS or stability warning after steering work can raise questions about the steering-angle sensor. VAG 00778 refers to G85, but its full wording matters: a missing basic setting is different from a communication problem or an implausible signal.
Why one calibration instruction cannot fit every car
Ross-Tech lists several 00778 variants, including basic-setting, signal, communication and mechanical descriptions. Its guidance differentiates vehicle and brake-system versions. Consequently, a reset sequence found for another model should not be assumed to apply to yours. Read the 00778 technical reference.
Tell us what changed before the warning
- Was the steering wheel, rack, column electronics or clock spring disturbed?
- Has wheel alignment or suspension work recently been completed?
- Was the battery disconnected, or was another control unit replaced?
- Does the warning return immediately or after driving?
- What is the exact fault wording, status and reporting controller?
These details provide context; they do not establish blame for previous work. Include the workshop’s alignment report or diagnostic results where available. A record of what was measured is more useful than a list of parts already suggested online.
What a diagnostic assessment should establish
The technician needs to identify the fitted system, compare the relevant sensor information with the vehicle’s physical condition, and decide whether wiring, configuration, calibration or a component fault needs attention. Any basic setting should follow the correct repair procedure and its prerequisites. Clearing the warning without confirming the outcome is not the same as resolving its cause.
Do not carry out improvised steering or road-test manoeuvres to follow an unrelated internet reset guide. Steering and stability systems need a controlled assessment appropriate to the vehicle.
Ask AXION about your G85 fault with the full scan and repair history. Start with the vehicle and module finder or view the ABS and ESP category.
Reviewed September 2026. Use the complete manufacturer-specific fault description and vehicle repair information.