OBD-II Diagnostic Trouble Codes

U0401-82 – Invalid Data Received From ECM/PCM A: Alive/sequence Counter Incorrect/not Updates (Ford F-150)

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U0401-81 – Invalid Data Received From ECM /PCM A: Invalid Serial Data Received (Ford F-150)

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U0401-68 – Invalid Data Received From ECM/PCM A: Event Information (Ford F-150)

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U0401-09 – Invalid Data Received From ECM/PCM A: Component Failure (Ford F-150)

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U0256-00 – Lost Communication With Front Controls Interface Module (FCIM) “a”: No Sub Type Information (Ford F-150)

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U0163-00 – Lost Communication With Navigation Control Module: No Sub Type Information (Ford F-150)

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B1C83-13 – Rear Defog Relay: Circuit Open (Ford F-150)

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B1C83-12 – Rear Defog Relay: Circuit Short To Battery (Ford F-150)

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B1C83-11 – Rear Defog Relay: Circuit Short To Ground (Ford F-150)

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C1B14-12 – Sensor Supply Voltage A: Circuit Short To Battery (Ford F-150)

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