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.
Readiness code, generating: Procedure
2001 Audi A6 Avant QuattroSECTION Procedure
- Connect diagnostic tester. See DIAGNOSTIC TESTER, CONNECTING .
- Start engine and let run at idle for at least 15 minutes.
- Perform a 15 minute road test in the highest gear or in the highest driving mode on a level driving surface.
The following operating conditions must be met during this road test:
- Engine speed approx. 1800 to 2200 RPM. See DIAGNOSTIC MODE 1: CHECK MEASURING VALUES ; PID 12, engine rotations per minute (RPM).
- Vehicle speed constant 90 km/h. See DIAGNOSTIC MODE 1: CHECK MEASURING VALUES ; PID 13, Vehicle speed.
Observe the safety precautions that apply to road tests. See SAFETY PRECAUTIONS .
- Read readiness code. See READINESS CODE, READING .
RENDER: 1.0x
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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.