HYBRID CONTROL SYSTEM, Diagnostic DTC:P1CD800

DTC Code DTC Name
P1CD800 Hybrid/EV Powertrain Control Module Processor or Monitoring Processor Charging Permission Signal Internal Failure

DTC SUMMARY


  1. MALFUNCTION DESCRIPTION

    When plug-in charging is started, the hybrid vehicle control ECU checks the plug-in charger gate permission signal (CHEN) output to the electric vehicle charger assembly and the answer back signal output by the electric vehicle charger assembly.

    This DTC is stored if the plug-in charger gate permission signal output by the hybrid vehicle control ECU is abnormal. In this case, the operation of the plug-in charger gate permission signal cannot be assured.

    The cause of this malfunction may be one of the following:


      Hybrid vehicle control ECU internal malfunction

    • Hybrid Vehicle Control ECU malfunction

DESCRIPTION

The hybrid vehicle control ECU performs a function check to check for an abnormal battery charger permission signal (CHEN signal). If it detects an abnormal signal, it will store a DTC.

DTC No. Detection Item DTC Detection Condition Trouble Area MIL Warning Indicate
P1CD800 Hybrid/EV Powertrain Control Module Processor or Monitoring Processor Charging Permission Signal Internal Failure

Plug-in charger gate permission signal output by the hybrid vehicle control ECU is abnormal.

(1 trip detection logic)

 Hybrid vehicle control ECU Comes on

Master Warning Light:

Comes on
Related Data List
DTC No. Data List
P1CD800

  • Charger Start Request by Hybrid Control ECU

  • Charging Permission Signal by Sub CPU

  • Charging Permission Answerback Signal from Plug-in Control ECU

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. Enter the following menus: Powertrain / Hybrid Control / Data List.

  5. Check that "Hybrid Battery SOC" shows 70% or less.

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

  7. Connect the electric vehicle charger cable assembly, and plug-in charge the vehicle for 30 seconds or more.

  8. Disconnect the electric vehicle charger cable assembly and wait for 10 seconds or more.

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

  10. Enter the following menus: Powertrain / Hybrid Control / Utility / All Readiness.

  11. 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. CHECK DTC OUTPUT (HYBRID CONTROL AND PLUG-IN CONTROL)


    1. Connect the GTS to the DLC3.

    2. Turn the power switch on (IG).

    3. Enter the following menus: Powertrain / Hybrid Control and Plug-in Control / Trouble Codes.

    4. Check for DTCs.


      Powertrain > Hybrid Control > Trouble Codes
      Powertrain > Plug-in Control > Trouble Codes
      Result
      Result Proceed to
      P1CD800 only is output, or DTCs except the ones in the table below are also output. A
      DTCs of hybrid control system in the tables below are output. B
      DTCs of plug-in charge control system in the tables below are output. C
      Malfunction Content System Relevant DTC
      Microcomputer malfunction Hybrid control system P060647 Hybrid/EV Powertrain Control Module Processor Watchdog / Safety MCU Failure
      P060687 Hybrid/EV Powertrain Control Module Processor to Monitoring Processor Missing Message
      P060A47 Hybrid/EV Powertrain Control Module Monitoring Processor Watchdog / Safety MCU Failure
      P060A87 Hybrid/EV Powertrain Control Module Processor from Monitoring Processor Missing Message
      P1C9E9F Hybrid/EV System Reset Stuck Off
      P1CD900 Hybrid/EV Powertrain Control Module Processor and Monitoring Processor Charging Permission Signal Stuck On
      Plug-in charge control system P060B49 Plug-in Control Module A/D Processing Internal Electronic Failure
      Communication system malfunction Plug-in charge control system U019B87 Lost Communication with Hybrid/EV Battery Charger Control Module Missing Message

      Tech Tips


      • P1CD800 may be output as a result of the malfunction indicated by the DTCs above.


        1. The chart above is listed in inspection order of priority.

        2. Check DTCs that are output at the same time by following the listed order. (The main cause of the malfunction can be determined without performing unnecessary inspections.)

    5. Turn the power switch off.


    A

    REPLACE HYBRID VEHICLE CONTROL ECU Click here

    B

    GO TO DTC CHART (HYBRID CONTROL SYSTEM) Click here

    C

    GO TO DTC CHART (PLUG-IN CHARGE CONTROL SYSTEM) Click here