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B2548 Code – Driver Side Junction Block ECU Communication Stop

What are the Possible Causes of the Code B2548?
  • Faulty Driver Side Junction Block
  • Driver Side Junction Block harness is open or shorted
  • Driver Side Junction Block circuit poor electrical connection
  • 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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