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Home >> Volvo >> 1995 >> 850 Base, 4D Sedan, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/Codes - Turbo >> Self-Diagnostic System >> Clearing Codes

Clearing Codes

  1. Codes can be erased only after all DTCs have been displayed and first DTC has been repeated at least once. See RETRIEVING CODES  . To erase DTC, turn ignition on. Press test button on Volvo diagnostic unit and hold for more than 5 seconds. Wait for LED response.
  2. Press button again and hold for more than 5 seconds. Turn ignition off and on. Start engine. All DTCs will be erased and all adaptive values reset.
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