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Home >> Toyota >> 2013 >> Prius Plug-in >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 77 (Dynamic Radar Cruise Control System (Diagnostic Codes & Circuit Tests) (Except Plug-In)) >> Dynamic Radar Cruise Control System >> DTC C1A40: ENG / EHV Device >> Description
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DTC C1A40: ENG / EHV Device: Description

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When the driving support ECU receives a hybrid control system or SFI system malfunction signal from the power management control ECU or ECM via the CAN communication line, DTC C1A40 is stored.

DTC No. DTC Detection Condition Trouble Area
C1A40 While power switch is on (IG), hybrid control system or SFI system malfunction signal is detected for 1 second
  • Hybrid control system
  • Power management control ECU
  • SFI system
  • ECM
  • Driving support ECU