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: Requirements
2001 Audi A6 Avant QuattroSECTION Requirements
- The respective fuses of the Motronic fuel injection and ignition system must be OK:
- Battery voltage must be at least 11.5 volts.
- All electrical consumers like, for example, lights and rear window heating must be switched off.
- If vehicle is equipped with an A/C system, it must be switched off.
- Ground (GND) connections between engine and chassis must be OK.
- There must not be any DTCs stored in DTC memory. See DIAGNOSTIC MODE 3: CHECK DTC MEMORY .
- Throttle valve angle 12.0 to 16.0 %. See DIAGNOSTIC MODE 1: CHECK MEASURING VALUES ; PID 17: Throttle valve position (absolute).
Let vehicle cool off with the ignition switched off until the following conditions are met:
- Intake air temperature 10 to 50°C. See DIAGNOSTIC MODE 1: CHECK MEASURING VALUES ; PID 15: Intake Air Temperature (IAT)
- Coolant temperature approx. intake air temperature (10 to 50°C). See DIAGNOSTIC MODE 1: CHECK MEASURING VALUES ; PID 5, Coolant temperature.
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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.