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.
Diagnostic mode 4: Reset/delete diagnostic data
2005 Audi A6 3.2 TSECTION Diagnostic mode 4: Reset/delete diagnostic data
WARNING: This page is about a different variant/trim than selected.
The following functions are performed in this diagnostic mode:
- All emission relevant malfunctions in the DTC memory will be erased.
- The operating conditions at which a malfunction was stored will be reset.
- All adaptation values will be reset.
- All test results of the diagnostic functions will be reset.
Procedure
- Connect diagnostic tester. → Diagnostic tester, connecting .
- In diagnostic function "address word 33 - OBD" select "Diagnostic mode 3: Check DTC memory.".
- Select desired measured value according to the "PID XX", e.g. "PID 05-Coolant temperature", via the following table.
- Then select "Mode 4: Reset/delete diagnostic data".
Display: Diagnostic data are being erased.
- End diagnosis and switch ignition off.
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.