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Diagnostic Trouble Codes for OBD II

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Occasionally, vehicle manufacturers will use the same DTC across different vehicles and platforms. If the DTC that you entered above returns more than one DTC description below, you will need to match certain digits of your VIN to determine which DTC description applies to your vehicle.

For example:You have a General Motors vehicle and the Diagnostic Trouble Code is B0566.

  • If the third digit in your VIN is a "1", your DTC means Infl Rest System Indicator Circuit Malf.
  • If the third digit is a "2", the DTC means Temp. Gage Data Out of Range

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