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DTC C1A40: ENG/EHV Device: Description

When the driving support ECU receives an engine control (SFI) system or automatic transmission (ECT) system malfunctioning signal from the ECM via the CAN communication line, DTC C1A40 is output.

DTC DETECTION CONDITION TABLE

DTC Code DTC Detection Condition Trouble Area
C1A40 While engine switch is on (IG), SFI system malfunction signal is detected for 1 sec.
  • SFI system
  • ECT system
  • ECM
  • Driving support ECU
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