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HOMESERVICE MANUALSVOLKSWAGEN1999CABRIO (1V7) L4-2.0L (ABA)REPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSTESTING AND INSPECTIONSCAN TOOL TESTING AND PROCEDURESGENERIC SCAN TOOLDIAGNOSTIC MODE 4: RESET/ERASE DIAGNOSTIC DATA
1999 Volkswagen Cabrio (1V7) L4-2.0L (ABA)

Diagnostic Mode 4: Reset/Erase Diagnostic Data

1999 Volkswagen Cabrio (1V7) L4-2.0L (ABA)SECTION Diagnostic Mode 4: Reset/Erase Diagnostic Data


Diagnostic mode 4: Reset/erase diagnostic data

Function

This diagnostic mode performs the following functions:
- All emission relevant malfunctions in DTC memory will be erased,
- The operating conditions at which a malfunction was stored will be reset,
- All adaptation values are being reset,
- All test results of the diagnostic functions are being reset.

Requirement
- DTC memory was erased.

Procedure
- Connect diagnostic tester.
- Start engine and let run at idle.
- Under address word 33, select "Diagnostic mode 4: Reset/erase diagnostic data.
Erased or reset:
- Number and content of the DTC memories,
- Operating conditions,
- Adaptation values,
- Test results.

- End diagnosis and switch ignition off.
- Generate readiness code
RENDER: 1.0x

NO RELATED

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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.