B2657 Code – Outside Odor Detecting Sensor

What are the Possible Causes of the Code B2657?
  • Faulty Outside Odor Detecting Sensor
  • Outside Odor Detecting Sensor harness is open or shorted
  • Outside Odor Detecting Sensor circuit poor electrical connection
  • Faulty Air Condition (A/C) Automatic Amplifier
  • 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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