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DTC U0065-00 (CAN Gateway) (2018 2019 2020)

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DTC U0065-00  : CAN Gateway F-CAN ch D Bus Off

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

DTC Description DTC
U0065-00 CAN Gateway F-CAN ch D 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 DTCs with the HDS.

    DTC Description DTC
    U0065-00 CAN Gateway F-CAN ch D Bus Off  

    Is DTC U0065-00 indicated?

    YES 

    The failure is duplicated. Go to step 2.

    NO 

    Intermittent failure, the system is OK at this time.

  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 (51P)

    -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 DTCs with the HDS.

    DTC Description DTC
    U0065-00 CAN Gateway F-CAN ch D Bus Off  

    Is DTC U0065-00 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 , then recheck. If DTC U0065-00 goes way and the PCM was substituted, replace the original PCM .

  3. Shorted unit check (TCM)

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

    -2. Disconnect the following connector.

    TCM connector A (23P)

    -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 DTCs with the HDS.

    DTC Description DTC
    U0065-00 CAN Gateway F-CAN ch D Bus Off  

    Is DTC U0065-00 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 TCM , then recheck. If DTC U0065-00 goes way and the TCM was substituted, replace the original TCM .

  4. 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 DTCs with the HDS.

    DTC Description DTC
    U0065-00 CAN Gateway F-CAN ch D Bus Off  

    Is DTC U0065-00 indicated?

    YES 

    Go to step 5.

    NO 

    Substitute a known-good SBW shifter control module , then recheck. If DTC U0065-00 goes away and the SBW shifter control module was substituted, replace the original SBW shifter control module .

  5. Shorted wire check (F-CAN D_H line)

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

    -2. Disconnect the following connector.

    CAN gateway 16P connector

    -3. Check for continuity between test points 1 and 2.

    Test condition Vehicle OFF (LOCK) mode
      PCM connector A (51P): disconnected
      TCM connector A (23P): disconnected
      SBW shifter control module 20P connector: disconnected
      CAN gateway 16P connector: disconnected
    Test point 1 CAN gateway 16P connector (female terminals) No. 7:
    Test point 2 Body ground
    GHH342778Courtesy of HONDA, U.S.A., INC.

    Is there continuity?

    YES 

    Repair a short in the F-CAN D_H wire between the CAN gateway and the connected units.

    NO 

    The F-CAN D_H wire is not short to ground. Go to step 6.

  6. Shorted wire check (F-CAN D_L line)

    -1. Check for continuity between test points 1 and 2.

    Test condition Vehicle OFF (LOCK) mode
      PCM connector A (51P): disconnected
      TCM connector A (23P): disconnected
      SBW shifter control module 20P connector: disconnected
      CAN gateway 16P connector: disconnected
    Test point 1 CAN gateway 16P connector (female terminals) No. 15:
    Test point 2 Body ground
    GHH342780Courtesy of HONDA, U.S.A., INC.

    Is there continuity?

    YES 

    Repair a short in the F-CAN D_L wire between the CAN gateway and the connected units.

    NO 

    The F-CAN D_L wire is not short to ground. Go to step 7.

  7. Shorted wire check (F-CAN D_H line to F-CAN D_L line)

    -1. Check for continuity between test points 1 and 2.

    Test condition Vehicle OFF (LOCK) mode
      PCM connector A (51P): disconnected
      TCM connector A (23P): disconnected
      SBW shifter control module 20P connector: disconnected
      CAN gateway 16P connector: disconnected
    Test point 1 CAN gateway 16P connector (female terminals) No. 7:
    Test point 2 CAN gateway 16P connector (female terminals) No. 15:
    GHH342783Courtesy of HONDA, U.S.A., INC.

    Is there continuity?

    YES 

    Repair a short in the F-CAN D_H wire to the F-CAN D_L wire between CAN gateway terminals No. 7 and No. 15.

    NO 

    Check for any authorized service information related to the DTCs or symptoms you are troubleshooting, or substitute a known-good CAN gateway , then recheck. If DTC U0065-00 goes way and the CAN gateway was substituted, replace the original CAN gateway .

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