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DTC B1280 Left Side Junction Block ECU Communication Stop: Description

This DTC is detected when communication between the main body ECU LH (cowl side J/B LH) and network gateway ECU stops for more than 10 seconds.

DTC DETECTION CONDITION CHART

DTC No. DTC Detection Condition Trouble Area
B1280 Passenger side J/B ECU communication stops
  • Main body ECU LH (cowl side J/B LH)
  • Wire harness
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