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DTC U0293: PHEV CAN timeout
 
 
 
 
TROUBLE JUDGMENT
Check Condition
  • The power supply mode of the electric motor switch is ON.
 
 
PROBABLE CAUSES
  • Malfunction of the CAN bus
  • Malfunction of the PHEV-ECU
  • Malfunction of the power drive unit [generator control unit (GCU)]
 
 
DIAGNOSIS
STEP 1. Using scan tool (M.U.T.-IIISE), diagnose CAN bus line.
  • Diagnose CAN bus line.
Is the CAN bus line normal?
Go to Step 2.
Repair CAN bus line (Refer to GROUP 54C - Troubleshooting - CAN Bus Diagnostics Table ).
 
STEP 2. Using scan tool (M.U.T.-IIISE), check whether the other DTC is set.
Check if the EV-CAN communication related diagnostic trouble code is set in other ECUs. (Refer to GROUP 54C - CAN Communication-related Diagnosis Code (U-code) Table ).
Is the DTC set?
Go to Step 3.
Go to Step 4.
 
STEP 3. Using scan tool (M.U.T.-IIISE), check whether the DTC is set again.
(1) Erase the DTC.
(2) Turn on the power supply mode of the electric motor switch.
(3) Check the DTC.
Is the DTC set?
Replace the PHEV-ECU (Refer to GROUP 54Da - PHEV-ECU ).
Intermittent malfunction (Refer to GROUP 00 - How to Use Troubleshooting/Inspection Service Points - How to Cope with Intermittent Malfunctions ).
 
STEP 4. Using scan tool (M.U.T.-IIISE), check whether the DTC is set again.
(1) Erase the DTC.
(2) Turn on the power supply mode of the electric motor switch.
(3) Check the DTC.
Is the DTC set?
Replace the power drive unit (Refer to ).
Intermittent malfunction (Refer to GROUP 00 - How to Use Troubleshooting/Inspection Service Points - How to Cope with Intermittent Malfunctions ).