What does code P1863 mean on Audi vehicles?
The powertrain CAN data bus is missing messages from the steering angle sensor, disabling stability systems.
OBD-II Code Audi
P1863 — Audi — Data-Bus Powertrain Missing Message from Steering Angle Sensor
The powertrain CAN data bus is missing messages from the steering angle sensor, disabling stability systems.
Common symptoms
- ESP inactive
- stability control warnings
Possible causes
- Communication error
- steering angle sensor fault
Initial recommendation
Calibrate steering angle sensor and verify CAN communication.
Safety notice
This information is for guidance only. Brand-specific codes may vary by model, year, engine, transmission and vehicle configuration. It does not replace a physical inspection or diagnosis by a qualified mechanic. If the vehicle is unsafe to operate, avoid driving it and seek professional inspection.
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