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C1440 Code – Pressure Transducer Main/Primary Signal Faulted

What are the Possible Causes of the Code C1440?
  • Faulty Hydraulic Control Unit (HCU)
  • Hydraulic Control Unit (HCU) harness is open or shorted
  • Hydraulic Control Unit (HCU) circuit poor electrical connection
  • 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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