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.
2000 Audi S4 AutomaticFACTORY OEM SERVICE PROCEDURE
DTC Definitions
DTC DEFINITIONS
| Code | Fault Description | ||
|---|---|---|---|
| 00000 | No Fault Detected | ||
| 00283 | Left Front Wheel Speed Sensor | ||
| 00285 | Right Front Wheel Speed Sensor | ||
| 00287 | Right Rear Wheel Speed Sensor | ||
| 00290 | Left Rear Wheel Speed Sensor | ||
| 00301 | Return Flow Pump | ||
| 00526 | Stoplight Switch | ||
| 00529 | RPM Signal Missing | ||
| 00532 | Supply Voltage | ||
| 00597 | Varying Wheel Speed Impulse | ||
| 00623 | ABS Transmission Electrical Connection | ||
| 00646 | ABS Motor Electrical Connection No. 1 | ||
| 00647 | ABS Motor Electrical Connection No. 2 | ||
| 00761 | DTC Stored In PCM | ||
| 01130 (1) | ABS Operation Implausible Signal | ||
| 01200 (1) | ABS Valves Voltage Supply | ||
| 01201 | ABS Pump Voltage Supply | ||
| 01203 | Instrument Panel ABS Pump Voltage Supply | ||
| 65535 | Control Module Fault | ||
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Factory Service Tools
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.