April 5, 2026: LEMON Manuals is launched! Read the announcement.

DTC C1280: Engine Circuit Malfunction [08/2019 - ]: Description

If a malfunction in the ECM circuit is detected, the 4WD ECU assembly stores 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 engine control ECM is operating normally, but engine control system is malfunctioning.	Engine control system 4WD ECU assembly