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How To Read And Erase Diagnostic Trouble Codes

Required Special Tools: 

CAUTION: To prevent damage to scan tool MB991958, always turn the ignition switch to the "LOCK" (OFF) position before connecting or disconnecting scan tool MB991958.
NOTE: If the battery voltage is low, diagnostic trouble codes will not be set. Check the battery if scan tool MB991958 does not display.
  1. Connect scan tool MB991958 to the data link connector.
  2. Turn the ignition switch to the "ON" position.
  3. Select "System select" from the start-up screen.
  4. Select "From 06 MY."
  5. Make sure vehicle information is correct.
  6. Select "AT/CVT/A-MT/TC-SST."
  7. Select "Diagnostic Trouble Code" to read the DTC.
  8. If a DTC is set, it is shown.
  9. Choose "Erase DTCs" to erase the DTC.
    Fig 1: Connecting Special Tool MB991910 To Data Link Connector
    G05895981Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.