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DTC U0038-00 (CAN Gateway)

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

DTC U0038-00  : CAN Gateway F-CAN ch E Bus Off

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

DTC Description DTC
U0038-00 CAN Gateway F-CAN ch E Bus Off  

DTC (CAN GATEWAY)

  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.

    -4. Turn the vehicle to the ON mode, and wait 6 seconds.

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

    DTC Description DTC
    U0038-00 CAN Gateway F-CAN ch E Bus Off  

    Is DTC U0038-00 indicated?

    YES 

    The failure is duplicated. Go to step 2.

    NO 

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

  2. Shorted unit check (PCM)

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

    -2. Jump the SCS line with the HDS, and wait more than 1 minute.

    -3. Disconnect the following connector.

    PCM connector A (50P)

    -4. Turn the vehicle to the ON mode.

    -5. Clear the DTC with the HDS.

    -6. Turn the vehicle to the OFF (LOCK) mode.

    -7. Turn the vehicle to the ON mode, and wait 6 seconds.

    -8. Check for Pending or Confirmed DTCs with the HDS.

    DTC Description DTC
    U0038-00 CAN Gateway F-CAN ch E Bus Off  

    Is DTC U0038-00 indicated?

    YES 

    Go to step 3.

    NO 

    Check for any authorized service information related to the DTCs or symptoms you are troubleshooting, or substitute a known-good PCM .

  3. Shorted unit check (SBW shifter control module)

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

    -2. Disconnect the following connector.

    SBW shifter control module 20P connector

    -3. Turn the vehicle to the ON mode.

    -4. Clear the DTC with the HDS.

    -5. Turn the vehicle to the OFF (LOCK) mode.

    -6. Turn the vehicle to the ON mode, and wait 6 seconds.

    -7. Check for Pending or Confirmed DTCs with the HDS.

    DTC Description DTC
    U0038-00 CAN Gateway F-CAN ch E Bus Off  

    Is DTC U0038-00 indicated?

    YES 

    Go to step 4.

    NO 

    Check for any authorized service information related to the DTCs or symptoms you are troubleshooting, or substitute a known-good SBW shifter control module .

  4. Shorted unit check (park pawl actuator driver unit)

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

    -2. Disconnect the following connector.

    Park pawl actuator driver unit 26P connector

    -3. Turn the vehicle to the ON mode.

    -4. Clear the DTC with the HDS.

    -5. Turn the vehicle to the OFF (LOCK) mode.

    -6. Turn the vehicle to the ON mode, and wait 6 seconds.

    -7. Check for Pending or Confirmed DTCs with the HDS.

    DTC Description DTC
    U0038-00 CAN Gateway F-CAN ch E Bus Off  

    Is DTC U0038-00 indicated?

    YES 

    Go to step 5.

    NO 

    Check for any authorized service information related to the DTCs or symptoms you are troubleshooting, or substitute a known-good park pawl actuator driver unit .

  5. Shorted unit check (PCU)

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

    -2. Disconnect the following connector.

    PCU 33P connector

    NOTE:  Before disconnecting the PCU connector, do the 12 volt battery terminal disconnection procedure , and turn off the service plug .

    -3. Do the 12 volt battery terminal reconnection procedure .

    -4. Turn the vehicle to the ON mode.

    -5. Clear the DTC with the HDS.

    -6. Turn the vehicle to the OFF (LOCK) mode.

    -7. Turn the vehicle to the ON mode, and wait 6 seconds.

    -8. Check for Pending or Confirmed DTCs with the HDS.

    DTC Description DTC
    U0038-00 CAN Gateway F-CAN ch E Bus Off  

    Is DTC U0038-00 indicated?

    YES 

    Go to step 6.

    NO 

    Check for any authorized service information related to the DTCs or symptoms you are troubleshooting, or substitute a known-good PCU .

  6. Shorted unit check (battery condition monitor module)

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

    -2. Disconnect the following connector.

    Battery condition monitor module connector E (32P)

    NOTE:  Before disconnecting the battery condition monitor module connector, do the 12 volt battery terminal disconnection procedure , and turn off the service plug .

    -3. Do the 12 volt battery terminal reconnection procedure .

    -4. Turn the vehicle to the ON mode.

    -5. Clear the DTC with the HDS.

    -6. Turn the vehicle to the OFF (LOCK) mode.

    -7. Turn the vehicle to the ON mode, and wait 6 seconds.

    -8. Check for Pending or Confirmed DTCs with the HDS.

    DTC Description DTC
    U0038-00 CAN Gateway F-CAN ch E Bus Off  

    Is DTC U0038-00 indicated?

    YES 

    Go to step 7.

    NO 

    Check for any authorized service information related to the DTCs or symptoms you are troubleshooting, or substitute a known-good battery condition monitor module .

  7. Shorted wire check (EP-CAN A_H line)

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

    -2. Disconnect the following connector.

    CAN gateway 16P connector

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

    Test condition Vehicle OFF (LOCK) mode
      PCM connector A (50P): disconnected
      SBW shifter control module 20P connector: disconnected
      Park pawl actuator driver unit 26P connector: disconnected
      PCU 33P connector: disconnected
      Battery condition monitor module connector E (32P): disconnected
      CAN gateway 16P connector: disconnected
    Test point 1 CAN gateway 16P connector (female terminals) No. 16:
    Test point 2 Body ground
    GHH375894Courtesy of HONDA, U.S.A., INC.

    Is there 1 MΩ or more?

    YES 

    Go to step 8.

    NO 

    Repair a short in the EP-CAN A_H wire between the CAN gateway and the connected units.

  8. Shorted wire check (EP-CAN A_L line)

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

    Test condition Vehicle OFF (LOCK) mode
      PCM connector A (50P): disconnected
      SBW shifter control module 20P connector: disconnected
      Park pawl actuator driver unit 26P connector: disconnected
      PCU 33P connector: disconnected
      Battery condition monitor module connector E (32P): disconnected
      CAN gateway 16P connector: disconnected
    Test point 1 CAN gateway 16P connector (female terminals) No. 8:
    Test point 2 Body ground
    GHH375896Courtesy of HONDA, U.S.A., INC.

    Is there 1 MΩ or more?

    YES 

    Go to step 9.

    NO 

    Repair a short in the EP-CAN A_L wire between the CAN gateway and the connected units.

  9. Shorted wire check (EP-CAN A_H line to EP-CAN A_L line)

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

    Test condition Vehicle OFF (LOCK) mode
      PCM connector A (50P): disconnected
      SBW shifter control module 20P connector: disconnected
      Park pawl actuator driver unit 26P connector: disconnected
      PCU 33P connector: disconnected
      Battery condition monitor module connector E (32P): disconnected
      CAN gateway 16P connector: disconnected
    Test point 1 CAN gateway 16P connector (female terminals) No. 8:
    Test point 2 CAN gateway 16P connector (female terminals) No. 16:
    GHH375899Courtesy of HONDA, U.S.A., INC.

    Is there 1 MΩ or more?

    YES 

    Check for any authorized service information related to the DTCs or symptoms you are troubleshooting, or substitute a known-good CAN gateway .

    NO 

    Repair a short in the EP-CAN A_H wire to the EP-CAN A_L wire between CAN gateway terminals No. 8 and No. 16.

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