P0318

Rough Road Sensor A Signal Circuit

DTC P0318, sometimes indicated as P031800 is an OBD diagnostic trouble code indicating a generic fault with the vehicle powertrain (i.e. engine and gearbox). This code identifies an error with the ignition system causing rough road sensor a signal circuit.

The most common cause of this code is a bad or dirty rough road sensor.

  • P0318: Rough Road Sensor A Signal Circuit
  • P0318: Rough Road Sensor "A" Signal Circuit
  • P0318: Rough road sensor A – circuit malfunction
  • P0318 00: Rough road sensor A - circuit malfunction

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