C1556 Code – Ride Height Air Pressure Sensor

What are the Possible Causes of the Code C1556?
  • Faulty Ride Height Air Pressure Sensor
  • Ride Height Air Pressure Sensor harness is open or shorted
  • Ride Height Air Pressure Sensor circuit poor electrical connection
  • Faulty Air Suspension Control Module (ASCM)
  • Need help with this OBD II code? Our mechanics are available within west Michigan to help. Outside of our service area? Visit our Car Help Section where you can ask questions and get answers.

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