HYBRID CONTROL SYSTEM, Diagnostic DTC:P0A1A-151, P0A1C-709

DTC Code DTC Name
P0A1A-151 Generator Control Module
P0A1C-709 Drive Motor "B" Control Module

DESCRIPTION

The MG ECU located in the inverter with converter assembly monitors its internal operation and it will set DTCs when it detects malfunctions.

DTC No. INF Code DTC Detection Condition Trouble Area
P0A1A 151 Run pulse signal cycle deviation or stop

  • Auxiliary battery

  • Inverter with converter assembly
P0A1C 709 Run pulse signal cycle deviation or stop

Tech Tips

DTC P0A1A-151 and P0A1C-709 may be stored right after the power switch is turned on (IG) due to the auxiliary battery voltage being low. In this case, inspect the auxiliary battery and recharge it if the battery voltage is less than the standard voltage.

INSPECTION PROCEDURE

Tech Tips

After repair, confirm that no DTCs are output by performing DTC Output Confirmation Operation Click here.

PROCEDURE


  1. CHECK FREEZE FRAME DATA


    1. Connect the intelligent tester to the DLC3.

    2. Turn the power switch on (IG).

    3. Enter the following menus: Powertrain / Hybrid Control / Trouble Codes.

    4. Read the freeze frame data of DTC P0A1A-151 or P0A1C-709.

      Result
      Result Proceed to
      +B is below 11V. A
      +B is 11V or higher. B

    5. Turn the power switch off.


    B

    REFER TO REPLACE INVERTER WITH CONVERTER ASSEMBLY PARTS Click here

    A

  2. CHECK AUXILIARY BATTERY


    1. Check the auxiliary battery voltage Click here.


    NEXT

    END