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Home >> Honda >> 2021 >> CR-V EX-L, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 56 (Battery Management System - Advanced Diagnostics & Troubleshooting (Hybrid)) >> DTC Troubleshooting >> DTC P0A80 (566), P1DCB (567)

DTC P0A80 (566), P1DCB (567)

WARNING: This page is about a different variant/trim than selected.

DTC P0A80  : Replace HV Battery Pack

DTC P1DCB  : HV Battery Identification Circuit (System Running)

NOTE:  Before you troubleshoot, review the general troubleshooting information .

DTC Description Confirmed DTC Pending DTC Freeze Frame
P0A80 Replace HV Battery Pack      
P1DCB HV Battery Identification Circuit (System Running)      

DTC (Electric Powertrain)

  1. Problem verification

    -1. Turn the vehicle to the ON mode.

    -2. Clear the DTC with the HDS.

    -3. Turn the vehicle to the OFF (LOCK) mode, and wait 30 seconds.

    -4. Turn the vehicle to the ON mode.

    -5. Check for Pending or Confirmed DTCs with the HDS.

    DTC Description Confirmed DTC Pending DTC Freeze Frame
    P0A80 Replace HV Battery Pack      
    P1DCB HV Battery Identification Circuit (System Running)      

    Is DTC P0A80 and/or DTC P1DCB indicated?

    YES 

    The failure is duplicated. Go to step 2.

    NO 

    Intermittent failure, the system is OK at this time. If the freeze data/on-board snapshot of this DTC is recorded, try to reproduce the failure under the same conditions with the freeze data/on-board snapshot.

  2. Identification resistance check 1

    -1. Turn the vehicle to the OFF (LOCK) mode.

    -2. Remove the service plug and the IPU cover .

    -3. Disconnect the following connector.

    Battery condition monitor module connector F (12P)

    -4. Measure the resistance between test points 1 and 2.

    Test condition Vehicle OFF (LOCK) mode
      Battery condition monitor module connector F (12P): disconnected
    Test point 1 Battery condition monitor module connector F (12P) No. 5
    Test point 2 Battery condition monitor module connector F (12P) No. 6

    Is there about 24 kΩ?

    YES 

    Go to step 3.

    NO 

    Go to step 4.

  3. Identification resistance check 2

    -1. Measure the resistance between test points 1 and 2.

    Test condition Vehicle OFF (LOCK) mode
      Battery condition monitor module connector F (12P): disconnected
    Test point 1 Battery condition monitor module connector F (12P) No. 11
    Test point 2 Battery condition monitor module connector F (12P) No. 6

    Is there about 24 kΩ?

    YES 

    Replace the battery condition monitor module .

    NO 

    Go to step 8.

  4. Open wire check (MODID1 line)

    -1. Disconnect the following connector.

    Battery module 1 28P connector

    -2. Measure the resistance between test points 1 and 2.

    Test condition Vehicle OFF (LOCK) mode
      Battery condition monitor module connector F (12P): disconnected
      Battery module 1 28P connector: disconnected
    Test point 1 Battery condition monitor module connector F (12P) No. 5
    Test point 2 Battery module 1 28P connector (male terminals) No. 2:
    GHH375174Courtesy of HONDA, U.S.A., INC.

    Is there 1.0 Ω or less?

    YES 

    Go to step 5.

    NO 

    Repair an open in the MODID1 wire between the battery condition monitor module (F5) and battery module 1.

  5. Open wire check (MODID1-M line)

    -1. Disconnect the following connector.

    Battery module 2 28P connector

    -2. Measure the resistance between test points 1 and 2.

    Test condition Vehicle OFF (LOCK) mode
      Battery condition monitor module connector F (12P): disconnected
      Battery module 1 28P connector: disconnected
      Battery module 2 28P connector: disconnected
    Test point 1 Battery module 1 28P connector (male terminals) No. 4:
    Test point 2 Battery module 2 28P connector (male terminals) No. 2:
    GHH375177Courtesy of HONDA, U.S.A., INC.
    GHH375178Courtesy of HONDA, U.S.A., INC.

    Is there 1.0 Ω or less?

    YES 

    Go to step 6.

    NO 

    Repair an open in the MODID1-M wire between battery module 1 and battery module 2.

  6. Shorted wire check (MODID1 line)

    -1. Measure the resistance between test points 1 and 2.

    Test condition Vehicle OFF (LOCK) mode
      Battery condition monitor module connector F (12P): disconnected
      Battery module 1 28P connector: disconnected
      Battery module 2 28P connector: disconnected
    Test point 1 Battery condition monitor module connector F (12P) No. 5
    Test point 2 Body ground (G701)

    Is there 1 MΩ or more?

    YES 

    Go to step 7.

    NO 

    Repair a short in the MODID1 wire between the battery condition monitor module (F5) and battery module 1.

  7. Open wire check (SGTB/MODID1-SG line)

    -1. Measure the resistance between test points 1 and 2.

    Test condition Vehicle OFF (LOCK) mode
      Battery condition monitor module connector F (12P): disconnected
      Battery module 1 28P connector: disconnected
      Battery module 2 28P connector: disconnected
    Test point 1 Battery condition monitor module connector F (12P) No. 6
    Test point 2 Battery module 2 28P connector (male terminals) No. 4:
    GHH375180Courtesy of HONDA, U.S.A., INC.

    Is there 1.0 Ω or less?

    YES 

    There is a failure in the battery module identification resistor. Replace the battery pack .

    NO 

    Repair an open in the SGTB/MODID1-SG wire between the battery condition monitor module (F6) and battery module 2.

  8. Open wire check (MODID2 line)

    -1. Remove the IPU and the IPU case .

    -2. Disconnect the following connector.

    Battery module 3 28P connector

    -3. Measure the resistance between test points 1 and 2.

    Test condition Vehicle OFF (LOCK) mode
      Battery condition monitor module connector F (12P): disconnected
      Battery module 3 28P connector: disconnected
    Test point 1 Battery condition monitor module connector F (12P) No. 11
    Test point 2 Battery module 3 28P connector (male terminals) No. 2:
    GHH375182Courtesy of HONDA, U.S.A., INC.

    Is there 1.0 Ω or less?

    YES 

    Go to step 9.

    NO 

    Repair an open in the MODID2 wire between the battery condition monitor module (F11) and battery module 3.

  9. Open wire check (MODID2-M line)

    -1. Disconnect the following connector.

    Battery module 4 28P connector

    -2. Measure the resistance between test points 1 and 2.

    Test condition Vehicle OFF (LOCK) mode
      Battery condition monitor module connector F (12P): disconnected
      Battery module 3 28P connector: disconnected
      Battery module 4 28P connector: disconnected
    Test point 1 Battery module 3 28P connector (male terminals) No. 4:
    Test point 2 Battery module 4 28P connector (male terminals) No. 2:
    GHH375185Courtesy of HONDA, U.S.A., INC.
    GHH375186Courtesy of HONDA, U.S.A., INC.

    Is there 1.0 Ω or less?

    YES 

    Go to step 10.

    NO 

    Repair an open in the MODID2-M wire between battery module 3 and battery module 4.

  10. Shorted wire check (MODID2 line)

    -1. Measure the resistance between test points 1 and 2.

    Test condition Vehicle OFF (LOCK) mode
      Battery condition monitor module connector F (12P): disconnected
      Battery module 3 28P connector: disconnected
      Battery module 4 28P connector: disconnected
    Test point 1 Battery condition monitor module connector F (12P) No. 11
    Test point 2 Body ground (G701)

    Is there 1 MΩ or more?

    YES 

    Go to step 11.

    NO 

    Repair a short in the MODID2 wire between the battery condition monitor module (F11) and battery module 3.

  11. Open wire check (SGTB/MODID2-SG line)

    -1. Measure the resistance between test points 1 and 2.

    Test condition Vehicle OFF (LOCK) mode
      Battery condition monitor module connector F (12P): disconnected
      Battery module 3 28P connector: disconnected
      Battery module 4 28P connector: disconnected
    Test point 1 Battery condition monitor module connector F (12P) No. 6
    Test point 2 Battery module 4 28P connector (male terminals) No. 4:
    GHH375188Courtesy of HONDA, U.S.A., INC.

    Is there 1.0 Ω or less?

    YES 

    There is a failure in the battery module identification resistor. Replace the battery pack .

    NO 

    Repair an open in the SGTB/MODID2-SG wire between the battery condition monitor module (F6) and battery module 4.

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