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.
Windshield Projection Head Up Display Control Module -J898-, CALIBRATING: Notes
Special tools and workshop equipment required
- Head-Up Display Calibration Board Audi A6 VAS 6657
-- The windshield projection head up display control module -J898- must be calibrated using the Vehicle Diagnostic Tester in Guided Fault Finding:
- The windshield projection head up display control module was replaced.
- The windshield was removed and installed.
- The DTC no or incorrect basic setting/adaptation is stored in the DTC memory.
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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