The hybrid vehicle control ECU assembly monitors its internal operation and will store these DTCs when it detects an internal malfunction. If these DTCs are output, replace the hybrid vehicle control ECU assembly.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area | MIL | Warning Indicate | Note |
|---|---|---|---|---|---|---|
| P062F44 | Hybrid/EV Powertrain Control Module EEPROM Data Memory Failure | ECU internal malfunction
(EEPROM error) (1 trip detection logic) |
Hybrid vehicle control ECU assembly | Comes on | Master Warning:
Does not come on |
SAE Code:
P062F |
After repair has been completed, clear the DTC and then check that the vehicle has returned to normal by performing the following All Readiness check procedure.
When clearing the permanent DTCs, refer to the "CLEAR PERMANENT DTC" procedure.
Connect the GTS to the DLC3.
Turn the power switch on (IG) and turn the GTS on.
Clear the DTCs (even if no DTCs are stored, perform the clear DTC procedure).
Turn the power switch off and wait for 2 minutes or more.
Turn the power switch on (IG) and turn the GTS on.
With power switch on (IG) and wait for 15 seconds or more. [*1]
[*1]: Normal judgment procedure.
The normal judgment procedure is used to complete DTC judgment and also used when clearing permanent DTCs.
Enter the following menus: Powertrain / Hybrid Control / Utility / All Readiness.
Check the DTC judgment result.
If the judgment result shows NORMAL, the system is normal.
If the judgment result shows ABNORMAL, the system has a malfunction.
If the judgment result shows INCOMPLETE, perform the normal judgment procedure again.
Be sure to check that the applicable DTC is output from the hybrid control system.
There is a possibility that the DTC P062F44 is issued from the ECUs of the ECM and hybrid vehicle control ECU assembly. Use GTS to conduct a health check to confirm which ECU the DTC is issued from and then inspect the related system.
Enter the following menus: System Select / Health Check.
Check for DTCs.
| Result | Proceed to |
|---|---|
| P062F44 is output from the hybrid control system. | A |
| P062F44 is output from any system other than the hybrid control system. | B |
Turn the power switch off.
A
B