HYBRID CONTROL SYSTEM, Diagnostic DTC:P0A08-101

DTC Code DTC Name
P0A08-101 DC / DC Converter Status Circuit

DESCRIPTION

The cooling fan of the HV battery is used to cool the hybrid vehicle converter (DC/DC converter).

A000XLOE02
*1 Hybrid Vehicle Converter
*2 HV Battery Assembly
DTC No. INF Code DTC Detection Condition Trouble Area
P0A08 101 Overheating of the hybrid vehicle converter

  • Hybrid vehicle converter

  • Auxiliary battery

CAUTION / NOTICE / HINT

Tech Tips

Placing objects on the duct inlets in the package tray trim panel assembly may stop the entry of air. In this case, DTCs may be set.

PROCEDURE


  1. CHECK DTC OUTPUT (HV)


    1. Connect the intelligent tester to the DLC3.

    2. Turn the power switch on (IG).

    3. Select the following menu items: Powertrain / Hybrid Control / Trouble Codes.

    4. Check if DTCs are output.

      Result
      Result Proceed to
      P0A08-101 only is output. A
      P3085-188 is also output. B

    B

    GO TO DTC CHART Click here

    A

  2. REPLACE HV CONVERTER


    1. Replace the hybrid vehicle converter Click here.


    NEXT

  3. CHECK AUXILIARY BATTERY


    1. Turn the power switch on (READY).

    2. Leave the vehicle for 5 minutes. (The auxiliary battery will be charged.)

    3. Turn the vehicle off.

    4. Measure the voltage of the auxiliary battery.

      Standard voltage
      Tester Connection Switch Condition Specified Condition
      Auxiliary battery positive terminal (+) - Auxiliary battery negative terminal (-) Power switch on (READY) 11 to 14 V

      Tech Tips

      The auxiliary battery may have discharged and deteriorated due to a malfunction in the hybrid vehicle converter. Therefore, inspect the auxiliary battery and replace it if it has deteriorated.


    OK

    END

    NG

    REPLACE AUXILIARY BATTERY