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DTC P0605: ROM error
 
 
cautionBefore replacing the ECU, ensure that the communication circuit is normal.
 
 
DTC SET CONDITIONS
The PHEV-ECU set DTC P0605 when data stored in ROM fails.
 
 
 
PROBABLE CAUSES
Malfunction of the PHEV-ECU.
 
 
 
 
DIAGNOSIS
Using scan tool (M.U.T.-IIISE), check whether the DTC is set again.
1. Erase the DTC.
2. Turn off the power supply mode of the electric motor switch.
3. Turn on the power supply mode of the electric motor switch.
4. Check the DTC.
5. If the DTC is set again, replace the PHEV-ECU (Refer to ).
6. If the DTC is not set again, the trouble can be an intermittent malfunction (Refer to GROUP 00, How to Cope with Intermittent Malfunction ).