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Home >> Audi >> 1999 >> A4 Base, 1.8 B, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Self-Diagnostics - Introduction >> Clearing Codes

Clearing Codes

NOTE: It is necessary to generate a PCM readiness code if PCM memory is cleared, battery voltage is disconnected or PCM is disconnected. If PCM was replaced, see PCM REPLACEMENT .
NOTE: Manufacturer does not provide information for using a generic scan tool to clear codes.

VAG 1551 scan tool is necessary for clearing codes. Follow scan tool prompts for clearing codes. After clearing codes, it is necessary to generate a PCM readiness code. A PCM readiness code resets 8 specific values to zero. Follow scan tool prompts for generating a PCM readiness code.

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