MOTOR GENERATOR CONTROL SYSTEM, Diagnostic DTC:P1C2E46

DTC Code DTC Name
P1C2E46 Motor Generator ECU(EEPROM) Calibration / Parameter Memory Failure

DESCRIPTION

The motor generator control ECU monitors its internal operation and will store this DTC if it detects a malfunction in its EEPROM.

Comes on
DTC No. Detection Item DTC Detection Condition Trouble Area MIL Warning Indicate
P1C2E46 Motor Generator ECU(EEPROM) Calibration / Parameter Memory Failure

ECU internal malfunction

(EEPROM error)

(2 trip detection logic)

 Inverter with converter assembly Does not come on

Master Warning Light:

Comes on

CONFIRMATION DRIVING PATTERN

Tech Tips

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.

Click here


  1. Connect the GTS to the DLC3.

  2. Turn the power switch on (IG) and turn the GTS on.

  3. Clear the DTCs (even if no DTCs are stored, perform the clear DTC procedure).

  4. Turn the power switch off and wait for 2 minutes or more.

  5. Turn the power switch on (IG) and turn the GTS on.

  6. With power switch on (IG) and wait for 5 seconds or more.

  7. Enter the following menus: Powertrain / Motor Generator / Utility / All Readiness.

  8. Check the DTC judgment result.

    Tech Tips


    • 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 or N/A, perform driving pattern again.

PROCEDURE


  1. REFER TO REPLACE INVERTER WITH CONVERTER ASSEMBLY PARTS

    Click here

    Result
    Proceed to
    NEXT

    NEXT

    COMPLETED