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B1253 Code – Air Temperature Internal Sensor Circuit Short To Ground

What are the Possible Causes of the Code B1253?
  • Faulty Air Temperature Internal Sensor
  • Air Temperature Internal Sensor harness is open or shorted
  • Air Temperature Internal Sensor circuit poor electrical connection
  • Faulty Electronic Automatic Temperature Control (EATC) 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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