U1601 Code – ECU Application Software Code 1 Missing Or Corrupted

What are the Possible Causes of the Code U1601?
  • Occupant Restraint Controller (ORC) Software Issue
  • Faulty Occupant Restraint Controller
  • Occupant Restraint Controller harness is open or shorted
  • Occupant Restraint Controller 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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