How To Read And Erase Diagnostic Trouble Codes
Required Special Tools:
- MB991958: Scan Tool (M.U.T.-III Sub Assembly)
- MB991824: Vehicle Communication Interface (V.C.I.)
- MB991827: M.U.T.-III USB Cable
- MB991910: M.U.T.-III Main Harness A (Vehicles with CAN communication system)
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.
- Connect scan tool MB991958 to the data link connector.
- Turn the ignition switch to "ON" position.
- Select "Interactive Diagnosis" from the start-up screen.
- Select "System select."
- Choose "Meter" from the "BODY" tab.
- Select "Diagnostic Trouble Code."
- If a DTC is set, it is shown.
- Choose "Erase DTCs" to erase the DTC.