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DTC C1280: Engine Circuit Malfunction [03/2020 - ]: Description

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If a malfunction in the ECM circuit occurs, the 4WD ECU assembly will output this DTC.

DTC No. Detection Item DTC Detection Condition Trouble Area
C1280 Engine Circuit Malfunction When the following continues for 5 seconds or more:
  • Communication with ECM is operating normally, but engine control system is malfunctioning.
  • Engine control system
  • 4WD ECU assembly
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