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HOMESERVICE MANUALSSUBARU2022IMPREZA BASE, 4D SEDAN, AUTOMATIC CVT TRANSREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 23 (P-HEV HYBRID POWERTRAIN CONTROL SYSTEM (DIAGNOSTICS) (3 OF 4))DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)DTC P1CE2-13: PCU INTERLOCK CIRCUIT OPENNOTES
2022 Subaru Impreza Base, 4D Sedan, Automatic CVT Trans

DTC P1CE2-13: PCU Interlock Circuit Open: Notes

2022 Subaru Impreza Base, 4D Sedan, Automatic CVT TransSECTION Notes
WARNING: This page is about a different car, the 2022 Subaru Crosstrek. However, it is still accessible from the selected car via links, so may be relevant.
  1. - 

    Outline of diagnosis: 

    Signal line of interlock was open-circuited during vehicle driving (at vehicle speed of 5 km/h (3.1 MPH) or more)

    (1 trip detection logic)

    Trouble symptom: 

    Normal driving

    CAUTION:

    Before performing diagnosis, refer to "CAUTION" in "General Description". Ref. to  P-HEV HYBRID POWERTRAIN CONTROL (DIAGNOSTICS)>GENERAL DESCRIPTION>CAUTION  . 

  1. CHECK DTC  .

    Read the following DTCs using Subaru Select Monitor. Ref. to P-HEV HYBRID POWERTRAIN CONTROL (DIAGNOSTICS)>DIAGNOSTIC TROUBLE CODE (DTC . Ref. to P-HEV DRIVE MOTOR (DIAGNOSTICS)>DIAGNOSTIC TROUBLE CODE (DTC) .

    • P-HEV Hybrid Powertrain Control
    • P-HEV Drive Motor
    NOTE:
    Malfunction contents System Related DTC
    Microcomputer malfunction P-HEV Hybrid Powertrain Control P0606-47 HYBRID/EV POWERTRAIN CONTROL MODULE PROCESSOR WATCHDOG/SAFETY MCU FAILURE
    P0606-87 HYBRID/EV POWERTRAIN CONTROL MODULE PROCESSOR TO MONITORING PROCESSOR MISSING MESSAGE
    P060A-47 HYBRID/EV POWERTRAIN CONTROL MODULE MONITORING PROCESSOR WATCHDOG/SAFETY MCU FAILURE
    P060A-87 HYBRID/EV POWERTRAIN CONTROL MODULE PROCESSOR FROM MONITORING PROCESSOR MISSING MESSAGE
    P060B-49 HYBRID/EV POWERTRAIN CONTROL MODULE A/D PROCESSING INTERNAL ELECTRONIC FAILURE
    P060B-71 HYBRID/EV POWERTRAIN CONTROL MODULE A/D PROCESSING ACTUATOR STUCK
    P060B-1C HYBRID/EV POWERTRAIN CONTROL MODULE A/D PROCESSING VOLTAGE OUT OF RANGE
    P1CE3-49 HYBRID/EV POWERTRAIN CONTROL MODULE MONITORING PROCESSOR A/D PROCESSING INTERNAL ELECTRONIC FAILURE
    P1CE3-71 HYBRID/EV POWERTRAIN CONTROL MODULE MONITORING PROCESSOR A/D PROCESSING ACTUATOR STUCK
    P1CE3-1C HYBRID/EV POWERTRAIN CONTROL MODULE MONITORING PROCESSOR A/D PROCESSING VOLTAGE OUT OF RANGE
    P060A-45 HYBRID/EV POWERTRAIN CONTROL MODULE MONITORING PROCESSOR PROGRAM MEMORY FAILURE
    P060A-44 HYBRID/EV POWERTRAIN CONTROL MODULE MONITORING PROCESSOR DATA MEMORY FAILURE
    P060A-29 HYBRID/EV POWERTRAIN CONTROL MODULE MONITORING PROCESSOR SIGNAL INVALID
    P060A-49 HYBRID/EV POWERTRAIN CONTROL MODULE MONITORING PROCESSOR INTERNAL ELECTRONIC FAILURE
    P0A1B-49 DRIVE MOTOR "A" CONTROL MODULE INTERNAL ELECTRONIC FAILURE
    P-HEV Drive Motor P0A1B-1F GENERATOR CONTROL MODULE CIRCUIT INTERMITTENT
    Power supply system malfunction P-HEV Hybrid Powertrain Control P0688-1F ECM/PCM POWER RELAY SENSE CIRCUIT INTERMITTENT
    Communication system malfunction P-HEV Hybrid Powertrain Control P3123-87 LOST COMMUNICATION WITH DRIVE MOTOR CONTROL MODULE "A" FROM HYBRID/EV CONTROL MODULE MISSING MESSAGE
    System malfunction P-HEV Hybrid Powertrain Control P1C9E-9F HYBRID/EV SYSTEM RESET STUCK OFF

    When "Either DTC P1CE2-13 or P1CE2-92 is displayed" or "DTC other than above is displayed", go to  A.

    When DTCs related to [P-HEV Hybrid Powertrain Control] mentioned above are simultaneously displayed, go to  B.

    When DTCs related to [P-HEV Drive Motor] mentioned above are simultaneously displayed, go to  C.

    Yes: 

    1. Go to  2.
    2. Perform the diagnosis for the simultaneously displayed DTCs.
      NOTE:

      If more than one DTC is simultaneously displayed, perform the diagnosis in the order described in the above. 

    3. Perform the diagnosis for the simultaneously displayed DTCs.
      NOTE:

      If more than one DTC is simultaneously displayed, perform the diagnosis in the order described in the above. 

    No: 

    -

  2. CHECK DTC  .
    1. Using the Subaru Select Monitor, perform the clear memory of [P-HEV Hybrid Powertrain Control]. Ref. to COMMON (DIAG)>CLEAR MEMORY .
    2. Read the DTC of [P-HEV Hybrid Powertrain Control] using the Subaru Select Monitor. Ref. to P-HEV HYBRID POWERTRAIN CONTROL (DIAGNOSTICS)>DIAGNOSTIC TROUBLE CODE (DTC) .

    Is DTC P1CE2-13 or P1CE2-92 displayed?

    NOTE:

    Check feasibility of reproduction. 

    Yes: 

    Go to  3.

    No: 

    Go to  3.

  3. CHECK Inverter cover (INSTALLATION CONDITION)  .
    CAUTION:

    Make sure to wear insulated gloves and protective goggles during the work. 

    1. Check that the Service plug is disconnected. Ref. to HYBRID ELECTRIC VEHICLE>SERVICE PLUG .
    2. Check that Inverter cover of Inverter with converter assembly is installed properly. Ref. to HYBRID ELECTRIC VEHICLE>INVERTER AND CONVERTER ASSEMBLY .

    Is Inverter cover installed securely?

    Yes: 

    Go to  4.

    No: 

    Securely install Inverter cover.

  4. CHECK Inverter cover  .
    CAUTION:

    Make sure to wear insulated gloves and protective goggles during the work. 

    Check the connecting condition of interlock of Inverter cover.

    Are there any trace of entering or adhering of dirt or foreign objects that can cause poor mating?

    Yes: 

    Replace Inverter cover.

    No: 

    Replace Inverter with converter assembly. Ref. to HYBRID ELECTRIC VEHICLE>INVERTER AND CONVERTER ASSEMBLY .

RENDER: 1.0x

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