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.
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HOMESERVICE MANUALSAUDI199590 BASE, 2.8 K, AUTOMATICREPAIR AND DIAGNOSIS (SINGLE PAGE)BRAKESTRACTION CONTROLANTI-LOCK BRAKE SYSTEM/TRACTION CONTROLDTC TESTINGDTC 00529 - RPM SIGNAL MISSING
1995 Audi 90 Base, 2.8 K, Automatic
DTC 00529 - Rpm Signal Missing
1995 Audi 90 Base, 2.8 K, AutomaticSECTION DTC 00529 - Rpm Signal Missing
NOTE:
DTC 00529 applies only to models equipped with traction control system.
- Fault may be caused by the following;
- Open circuit, short to ground or short to battery voltage in circuits between ABS control module and Engine Control Module (ECM).
- Faulty ECM.
- Faulty ABS control module.
- Check for open or short in circuits between ABS control module and ECM. If tachometer on instrument panel is inoperative and no fault can be found in circuits between ECM and ABS control module, substitute a known good ECM and recheck for symptom and DTC.
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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.