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B2856 Code – Crash Zone Sensor System Communication Data Error

What are the Possible Causes of the Code B2856?
  • Crash zone sensor improperly installed with wrong sensor
  • Driver-side side air bag sensor improperly installed with wrong sensor
  • Passenger-side side air bag sensor improperly installed with wrong sensor
  • Faulty SAS Control Module
  • 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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