B1894 Code – Wiper Rear Motor Speed Sense Circuit Failure

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What are the Possible Causes of the Code B1894?
  • Faulty Wiper Rear Motor
    • Wiper Rear Motor harness is open or shorted
  • Wiper Rear Motor circuit poor electrical connection
  • Faulty Body Control Module (BCM)

    • 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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