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Home >> Honda >> 2021 >> Pilot Special Edition, AWD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Drivers Assistance Systems - ADAS >> Multipurpose Camera Unit - Diagnostics >> DTC Troubleshooting >> DTC : U0100-00, U0101-00, U0114-00, U0122-00, U0126-00, U0131-00, U0155-00 (Multipurpose Camera Unit: 6-Speed A/T) (2019 2020)

DTC : U0100-00, U0101-00, U0114-00, U0122-00, U0126-00, U0131-00, U0155-00 (Multipurpose Camera Unit: 6-Speed A/T) (2019 2020)

DTC U0100-00  : Lost Communication With The PCM (PGM-FI System)

DTC U0101-00  : Lost Communication With The PCM/TCM

DTC U0114-00  : Lost Communication With The All Wheel Drive Control Module

DTC U0122-00  : Lost Communication With The VSA Modulator-Control Unit

DTC U0126-00  : Lost Communication With The Steering Angle Sensor

DTC U0131-00  : Lost Communication With The EPS Control Unit

DTC U0155-00  : Lost Communication With The Gauge Control Module

NOTE: 

How to Troubleshoot the Adaptive Cruise Control (ACC) (2019 2020 2021).

DTC Description DTC
U0100-00 Lost Communication With The PCM (PGM-FI System)  
U0101-00 Lost Communication With The PCM/TCM  
U0114-00 Lost Communication With The All Wheel Drive Control Module  
U0122-00 Lost Communication With The VSA Modulator-Control Unit  
U0126-00 Lost Communication With The Steering Angle Sensor  
U0131-00 Lost Communication With The EPS Control Unit  
U0155-00 Lost Communication With The Gauge Control Module  

DTC (IDAS)

  1. DTC check

    - 1. Turn the vehicle to the ON mode.

    - 2. Clear the DTC with the HDS.

    Clear DTCs

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

    - 4. Turn the vehicle to the ON mode, then wait for at least 5 seconds.

    - 5. Check for DTCs with the HDS.

    DTC Description DTC
    U0100-00 Lost Communication With The PCM (PGM-FI System)  
    U0101-00 Lost Communication With The PCM/TCM  
    U0114-00 Lost Communication With The All Wheel Drive Control Module  
    U0122-00 Lost Communication With The VSA Modulator-Control Unit  
    U0126-00 Lost Communication With The Steering Angle Sensor  
    U0131-00 Lost Communication With The EPS Control Unit  
    U0155-00 Lost Communication With The Gauge Control Module  

    Is DTC indicated?

    YES 

    The failure is duplicated. Go to step 2.

    NO 

    Intermittent failure, the system is OK at this time. Go to intermittent failures troubleshooting - Refer to: How to Troubleshoot the Adaptive Cruise Control (ACC) (2019 2020 2021) 

  2. CAN gateway system DTC check

    - 1. Turn the vehicle to the ON mode.

    - 2. Check for CAN gateway system DTCs with the HDS.

    DTC Description DTC
       

    Are any DTCs indicated?

    YES 

    Go to the indicated DTCs troubleshooting Communication Systems DTC Troubleshooting Index .

    NO 

    Go to step 3.

  3. F-CAN circuit communication check (Receiving control unit)

    - 1. Select the FUNCTION TEST in the CAN gateway with the HDS, then select the F-CAN Bus Connected Unit Check.

    F-CAN Bus Connected Unit Check

    Does the multipurpose camera unit detect the CAN gateway Bus channels A?

    Bus A is Not Available

    Go to step 4.

    Bus A is Available

    Go to step 5.

  4. Open wire check (F-CAN A_H line, F-CAN A_L line)

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

    - 2. Disconnect the following connectors.

    CAN gateway 16P connector
    Multipurpose camera unit 20P connector

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

    Test condition Vehicle OFF (LOCK) mode
    CAN gateway 16P connector: disconnected
    Multipurpose camera unit 20P connector: disconnected
    Test point 1 CAN gateway 16P connector (female terminals) No. 3: (1)
    Test point 2 Multipurpose camera unit 20P connector No. 2 - Refer to:
    Multipurpose Camera Unit Connector for Inputs and Outputs (2019 2020 2021)
    Test point 1 CAN gateway 16P connector (female terminals) No. 11: (1)
    Test point 2 Multipurpose camera unit 20P connector No. 13 - Refer to:
    Multipurpose Camera Unit Connector for Inputs and Outputs (2019 2020 2021)
    GHH311116Courtesy of HONDA, U.S.A., INC.

    Is there continuity?

    YES 

    Check for poor connections or loose terminals at the CAN gateway and the multipurpose camera unit. Check for any authorized service information related to the DTCs or symptoms you are troubleshooting. If they are OK, replace the Multipurpose Camera Unit .

    NO 

    Repair an open in the F-CAN A_H and/or the F-CAN A_L wire(s) between the multipurpose camera unit and the CAN gateway.

  5. F-CAN circuit communication check (Transmitting control unit)

    - 1. Select the FUNCTION TEST in the CAN gateway with the HDS, then select the F-CAN Bus Connected Unit Check.

    F-CAN Bus Connected Unit Check

    According to the detected DTC on the following table, make sure that the transmitting control unit detects the CAN gateway Bus channel(s) normally.

    DTC Transmitting control unit Detected CAN gateway Bus channel(s) at normal
    U0100-00 PCM A
    U0101-00 PCM A
    U0114-00 i-VTM control unit A
    U0122-00 VSA modulator-control unit A
    U0126-00 Steering angle sensor A
    U0131-00 EPS control unit A
    U0155-00 Gauge control module A

    Is it detected normally?

    Detected normal

    Intermittent failure, the system is OK at this time. Check for poor connections or loose terminals at the transmitting control unit and the CAN gateway.

    U0100-00: PCM is Not Available for Bus A

    Go to step 6.

    U0101-00: PCM is Not Available for Bus A

    Go to step 6.

    U0114-00: i-VTM control unit is Not Available for Bus A

    Go to step 6.

    U0122-00: VSA modulator-control unit is Not Available for Bus A

    Go to step 6.

    U0126-00: Steering angle sensor is Not Available for Bus A

    Go to step 6.

    U0131-00: EPS control unit is Not Available for Bus A

    Go to step 6.

    U0155-00: Gauge control module is Not Available for Bus A

    Go to step 6.

  6. Open wire check (F-CAN A_H line, F-CAN A_L line)

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

    - 2. According to the detected DTC on the following table, disconnect the transmitting control unit connector(s).

    DTC Connector
      CAN gateway 16P connector
    U0100-00 PCM connector A (51P)
    U0101-00 PCM connector A (51P)
    U0114-00 i-VTM control unit 24P connector
    U0122-00 VSA modulator-control unit 38P connector
    U0126-00 Steering angle sensor 4P connector
    U0131-00 EPS control unit connector B (6P)
    U0155-00 Gauge control module connector A (32P)

    NOTE:  Before disconnecting the PCM connector A (51P), jump the SCS line with the HDS, and wait more than 1 minute.

    SCS Short

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

    Test condition Vehicle OFF (LOCK) mode
    CAN gateway 16P connector: disconnected
    Transmitting control unit connector(s) for indicated DTCs: disconnected
    DTC Circuit name Test point 1 (Receiving control unit) Test point 2 (Transmitting control unit)
    Connector Terminal Connector Terminal
    U0100-00 F-CAN A_H CAN gateway 16P connector (female terminals): (1) No. 3 PCM connector A (51P) -
    Refer to: 
    PCM Connector for Inputs and Outputs (6-Speed A/T) (2016 2017 2018 2019 2020)    		 No. 9
    F-CAN A_L No. 11 No. 10
    U0101-00 F-CAN A_H CAN gateway 16P connector (female terminals): (1) No. 3 PCM connector A (51P) -
    Refer to: 
    PCM Connector for Inputs and Outputs (6-Speed A/T) (2016 2017 2018 2019 2020)    		 No. 9
    F-CAN A_L No. 11 No. 10
    U0114-00 F-CAN A_H CAN gateway 16P connector (female terminals): (1) No. 3 i-VTM control unit 24P connector -
    Refer to: 
    i-VTM Control Unit Connector for Inputs and Outputs (AWD) (2019 2020 2021)    		 No. 14
    F-CAN A_L No. 11 No. 24
    U0122-00 F-CAN A_H CAN gateway 16P connector (female terminals): (1) No. 3 VSA modulator-control unit 38P connector -
    Refer to: 
    VSA Modulator-Control Unit Connector for Inputs and Outputs (2019 2020 2021)    		 No. 6
    F-CAN A_L No. 11 No. 7
    U0126-00 F-CAN A_H CAN gateway 16P connector (female terminals): (1) No. 3 Steering angle sensor 4P connector (female terminals): (2) No. 2
    F-CAN A_L No. 11 No. 3
    U0131-00 F-CAN A_H CAN gateway 16P connector (female terminals): (1) No. 3 EPS control unit connector B (8P) -
    Refer to: 
    EPS Control Unit Connector for Inputs and Outputs (2019 2020 2021)    		 No. 3
    F-CAN A_L No. 11 No. 8
    U0155-00 F-CAN A _H CAN gateway 16P connector (female terminals): (1) No. 3 Gauge control module connector A (32P) -
    Refer to: 
    Gauge Control Module Connector for Inputs and Outputs (2019)
    Gauge Control Module Connector for Inputs and Outputs (2020 2021)    		 No. 19
    F-CAN A_L No. 11 No. 20
    GHH311118Courtesy of HONDA, U.S.A., INC.
    GHH311119Courtesy of HONDA, U.S.A., INC.

    Is there continuity?

    YES 

    The F-CAN A_H and the F-CAN A_L wires are OK.

    According to the detected DTC on the following table, substitute, or replace the correspond control unit.

    DTC Operation for transmitting control unit
    U0100-00 Check for poor connections or loose terminals at the CAN gateway and the PCM.
    Check for any authorized service information related to the DTCs or symptoms you are troubleshooting, or substitute a known-good PCM (6-Speed A/T) , then recheck.
    If they are OK, replace the original PCM - Refer to: PCM (6-Speed A/T) .
    U0101-00 Check for poor connections or loose terminals at the CAN gateway and the PCM.
    Check for any authorized service information related to the DTCs or symptoms you are troubleshooting, or substitute a known-good PCM (6-Speed A/T) then recheck.
    If they are OK, replace the original PCM - Refer to: PCM (6-Speed A/T) .
    U0114-00 Check for poor connections or loose terminals at the CAN gateway and the i-VTM control unit.
    Check for any authorized service information related to the DTCs or symptoms you are troubleshooting, or substitute a known-good i-VTM Control Unit then recheck.
    If they are OK, replace the original i-VTM control unit .
    U0122-00 Check for poor connections or loose terminals at the CAN gateway and the VSA modulator-control unit.
    Check for any authorized service information related to the DTCs or symptoms you are troubleshooting.
    If they are OK, replace the VSA Modulator-Control Unit .
    U0126-00 Check for poor connections or loose terminals at the CAN gateway and the steering angle sensor.
    Check for any authorized service information related to the DTCs or symptoms you are troubleshooting, or substitute a known-good Steering Angle Sensor , then recheck.
    If they are OK, replace the Steering Angle Sensor .
    U0131-00 Check for poor connections or loose terminals at the CAN gateway and the EPS control unit.
    Check for any authorized service information related to the DTCs or symptoms you are troubleshooting, or substitute a known-good EPS Control Unit , then recheck.
    If they are OK, replace the EPS Control Unit .
    U0155-00 Check for poor connections or loose terminals at the CAN gateway and the gauge control module.
    Check for any authorized service information related to the DTCs or symptoms you are troubleshooting, or substitute a known-good Gauge Control Module , then recheck.
    If they are OK, replace the original Gauge Control Module .

    NO 

    Repair an open in the F-CAN A_H and/or the F-CAN A_L wire(s) between the transmitting control unit and the CAN gateway.

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