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DTC U0293: Lost Communication with HV ECU [09/2014 - ]: Description

This DTC is stored when the power management control ECU detects a CAN communication error inside the power management control ECU (power control article - HV control article).

HINT: 

When the cable is disconnected and reconnected to the negative (-) auxiliary battery terminal, the power source mode returns to the state it was in before the cable was disconnected.

DTC Code DTC Detection Condition Trouble Area DTC Output Confirmation Operation
U0293 CAN communication error inside the power management control ECU (power control article - HV control article). (1-trip detection logic*)
  • AM2 fuse
  • Power management control ECU
  • Wire harness or connector
Turn the power switch on (IG) and wait 10 seconds or more.
VEHICLE CONDITION AND FAIL-SAFE FUNCTION WHEN MALFUNCTION DETECTED

Vehicle Condition when Malfunction Detected Fail-safe Function when Malfunction Detected
There is no effect on vehicle behavior. -
RELATED DATA LIST AND ACTIVE TEST ITEMS

DTC Data List Item Active Test Item
U0293 - -