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B1990 Code – Pedal Forward / Rearward Potentiometer Feedback Circuit Failure

What are the Possible Causes of the Code B1990?
  • Faulty Pedal Forward / Rearward Potentiometer
  • Pedal Forward / Rearward Potentiometer harness is open or shorted
  • Pedal Forward / Rearward Potentiometer 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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