DTC U0103, U0104, U0114, U0122, U0129, U0151, U0155, U1207, U129E, U1603, U1604, U1605 (PGM-FI System)

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

DTC U0103 : F-CAN Malfunction (PCM-SBW Shifter)

DTC U0104 : F-CAN Malfunction (PCM-Driving Support System Control Unit)

DTC U0114 : F-CAN Malfunction (PCM-AWD Control Unit)

DTC U0122 : F-CAN Malfunction (PCM-VSA Modulator-Control Unit)

DTC U0129 : F-CAN Malfunction (PCM-Electric Servo Brake Control Unit)

DTC U0151 : F-CAN Malfunction (PCM-SRS Unit)

DTC U0155 : F-CAN Malfunction (PCM-Gauge Control Module)

DTC U1207 : F-CAN Malfunction (PCM-A/C Compressor Driver)

DTC U129E : F-CAN Malfunction (PCM-Power Control Unit (PCU))

DTC U1603 : F-CAN Malfunction (PCM-Battery Condition Monitor Module)

DTC U1604 : F-CAN Malfunction (PCM-Motor Control Module)

DTC U1605 : F-CAN Malfunction (PCM-Motor Control Module)

NOTE:

Before you troubleshoot, review the general troubleshooting information .
If the power system indicator flashes, go to the electric powertrain system general troubleshooting information .
According to the detected DTC(s), check for the power circuit and the ground circuit of the control unit which cannot communicate with the PCM.

DTC Description	Confirmed DTC	Pending DTC
U0103 F-CAN Malfunction (PCM- SBW Shifter)
U0104 F-CAN Malfunction (PCM-Driving Support System Control Unit)
U0114 F-CAN Malfunction (PCM-AWD Control Unit)
U0122 F-CAN Malfunction (PCM-VSA Modulator-Control Unit)
U0129 F-CAN Malfunction (PCM-Electric Servo Brake Control Unit)
U0151 F-CAN Malfunction (PCM-SRS Unit)
U0155 F-CAN Malfunction (PCM-Gauge Control Module)
U1207 F-CAN Malfunction (PCM-A/C Compressor Driver)
U129E F-CAN Malfunction (PCM-Power Control Unit (PCU))
U1603 F-CAN Malfunction (PCM-Battery Condition Monitor Module)
U1604 F-CAN Malfunction (PCM-Motor Control Module)
U1605 F-CAN Malfunction (PCM-Motor Control Module)

DTC (PGM-FI)

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 troubleshooting for CAN gateway system DTC(s) .

Go to step 2.

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

Which result is indicated?

Bus A is Not Available

Go to step 3.

Bus B is Not Available

Go to step 4.

Bus A and B are Available

Go to step 5.

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

-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 connectors.

CAN gateway 16P connector

PCM connector A (50P)

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

Test condition	Vehicle OFF (LOCK) mode
	CAN gateway 16P connector: disconnected
	PCM connector A (50P): disconnected
Test point 1	CAN gateway 16P connector (female terminals) No. 3:
Test point 2	PCM connector A (50P) No. 37

Test point 1	CAN gateway 16P connector (female terminals) No. 11:
Test point 2	PCM connector A (50P) No. 36

Courtesy of HONDA, U.S.A., INC.

Is there 1.0 Ω or less?

YES

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

Repair an open in the F-CAN A_H wire or the F-CAN A_L wire between the PCM (A36, A37) and the CAN gateway.

Open wire check (F-CAN B_H line, F-CAN B_L line)

-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 connectors.

CAN gateway 16P connector

PCM connector A (50P)

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

Test condition	Vehicle OFF (LOCK) mode
	CAN gateway 16P connector: disconnected
	PCM connector A (50P): disconnected
Test point 1	CAN gateway 16P connector (female terminals) No. 6:
Test point 2	PCM connector A (50P) No. 39

Test point 1	CAN gateway 16P connector (female terminals) No. 14:
Test point 2	PCM connector A (50P) No. 38

Courtesy of HONDA, U.S.A., INC.

Is there 1.0 Ω or less?

YES

The F-CAN B_H wire and the F-CAN B_L wire are OK. 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 .

Repair an open in the F-CAN B_H wire or the F-CAN B_L wire between the PCM (A38, A39) and the CAN gateway.

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
U0103	SBW shifter control module	A
U0104	Millimeter wave radar	C
U0114	Real time AWD control unit	D
U0122	VSA modulator-control unit	B, C
U0129	Electric servo brake control unit	B, C
U0151	SRS unit	C
U0155	Gauge control module	D

DTC	Transmitting control unit	Detected CAN gateway Bus channel(s) at normal
U1207	Electric A/C compressor	D
U129E	Body control module	B
U1603	Battery condition monitor module	A
U1604	PCU (motor control module)	A
U1605	PCU (motor 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.

U0103: SBW shifter control module is Not Available for Bus A

Go to step 6.

U0104: Millimeter wave radar is Not Available for Bus C

Go to step 8.

U0114: Real time AWD control unit is Not Available for Bus D

Go to step 9.

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

Go to step 7.

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

Go to step 8.

U0129: Electric servo brake control unit is Not Available for Bus B

Go to step 7.

U0129: Electric servo brake control unit is Not Available for Bus C

Go to step 8.

U0151: SRS unit is Not Available for Bus C

Go to step 8.

U0155: Gauge control module is Not Available for Bus D

Go to step 9.

U1207: Electric A/C compressor is Not Available for Bus D

Go to step 9.

U129E: Body control module is Not Available for Bus B

Go to step 7.

U1603: Battery condition monitor module is Not Available for Bus A

Go to step 6.

U1604: Motor control module is Not Available for Bus A

Go to step 6.

U1605: Motor control module is Not Available for Bus A

Go to step 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).

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

DTC	Connector
-	CAN gateway 16P connector
U0103	SBW shifter control module 20P connector
U1603	Battery condition monitor module connector E (32P)
U1604	PCU 33P connector
U1605	PCU 33P connector

-3. Measure the resistance 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)
DTC	Circuit name	Connector	Terminal	Connector	Terminal
U0103	F-CAN A_H	CAN gateway 16P connector (female terminals):	No. 3	SBW shifter control module 20P connector	No. 5
U0103	F-CAN A_L	CAN gateway 16P connector (female terminals):	No. 11	SBW shifter control module 20P connector	No. 6
U1603	F-CAN A_H	CAN gateway 16P connector (female terminals):	No. 3	Battery condition monitor module connector E (32P)	No. 9
U1603	F-CAN A_L	CAN gateway 16P connector (female terminals):	No. 11	Battery condition monitor module connector E (32P)	No. 8
U1604	F-CAN A_H	CAN gateway 16P connector (female terminals):	No. 3	PCU 33P connector	No. 5
U1604	F-CAN A_L	CAN gateway 16P connector (female terminals):	No. 11	PCU 33P connector	No. 6
U1605	F-CAN A_H	CAN gateway 16P connector (female terminals):	No. 3	PCU 33P connector	No. 5
U1605	F-CAN A_L	CAN gateway 16P connector (female terminals):	No. 11	PCU 33P connector	No. 6

Courtesy of HONDA, U.S.A., INC.

Is there 1.0 Ω or less?

YES

The F-CAN A_H wire and the F-CAN A_L wire are OK. Check for any authorized service information related to the DTCs or symptoms you are troubleshooting. According to the detected DTC on the following table, substitute or replace the correspond control unit.

DTC	Operation for transmitting control unit
U0103	Check for poor connections or loose terminals at the CAN gateway and the SBW shifter control module. Substitute a known-good SBW shifter control module .
U1603	Check for poor connections or loose terminals at the CAN gateway and the battery condition monitor module. Substitute a known-good battery condition monitor module .
U1604	Check for poor connections or loose terminals at the CAN gateway and the PCU. Substitute a known-good PCU .
U1605	Check for poor connections or loose terminals at the CAN gateway and the PCU. Substitute a known-good PCU .

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

Open wire check (F-CAN B_H line, F-CAN B_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).

NOTE: Before disconnecting the electric servo brake control unit connector, open the driver's door and wait for at least 3 minutes.

DTC	Connector
-	CAN gateway 16P connector
U0122	VSA modulator-control unit 46P connector
U0129	Electric servo brake control unit 22P connector
U129E	Body control module connector B (36P)

-3. Measure the resistance 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)
DTC	Circuit name	Connector	Terminal	Connector	Terminal
U0122	F-CAN B_H	CAN gateway 16P connector (female terminals):	No. 6	VSA modulator-control unit 46P connector	No. 40
U0122	F-CAN B_L	CAN gateway 16P connector (female terminals):	No. 14	VSA modulator-control unit 46P connector	No. 28
U0129	F-CAN B_H	CAN gateway 16P connector (female terminals):	No. 6	Electric servo brake control unit 22P connector	No. 15
U0129	F-CAN B_L	CAN gateway 16P connector (female terminals):	No. 14	Electric servo brake control unit 22P connector	No. 14
U129E	F-CAN B_H	CAN gateway 16P connector (female terminals):	No. 6	Body control module connector B (36P)	No. 22
U129E	F-CAN B_L	CAN gateway 16P connector (female terminals):	No. 14	Body control module connector B (36P)	No. 23

Courtesy of HONDA, U.S.A., INC.

Is there 1.0 Ω or less?

YES

The F-CAN B_H wire and the F-CAN B_L wire are OK. Check for any authorized service information related to the DTCs or symptoms you are troubleshooting. According to the detected DTC on the following table, substitute or replace the correspond control unit.

DTC	Operation for transmitting control unit
U0122	Check for poor connections or loose terminals at the CAN gateway and the VSA modulator-control unit. Replace the VSA modulator-control unit .
U0129	Check for poor connections or loose terminals at the CAN gateway and the electric servo brake control unit. Replace the electric servo brake control unit .
U129E	Check for poor connections or loose terminals at the CAN gateway and the body control module. Substitute a known-good body control module .

Repair an open in the F-CAN B_H wire or the F-CAN B_L wire between the transmitting control unit and the CAN gateway.

Open wire check (F-CAN C_H line, F-CAN C_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).

NOTE: Before disconnecting the SRS unit connector, do the 12 volt battery terminal disconnection procedure , and wait for at least 3 minutes.

DTC	Connector
-	CAN gateway 16P connector
U0104	Millimeter wave radar 8P connector
U0122	VSA modulator-control unit 46P connector
U0129	Electric servo brake control unit 22P connector
U0151	SRS unit connector A (39P)

-3. Measure the resistance 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)
DTC	Circuit name	Connector	Terminal	Connector	Terminal
U0104	F-CAN C_H	CAN gateway 16P connector (female terminals):	No. 5	Millimeter wave radar 8P connector	No. 7
U0104	F-CAN C_L	CAN gateway 16P connector (female terminals):	No. 13	Millimeter wave radar 8P connector	No. 6
U0122	F-CAN C_H	CAN gateway 16P connector (female terminals):	No. 5	VSA modulator-control unit 46P connector	No. 46
U0122	F-CAN C_L	CAN gateway 16P connector (female terminals):	No. 13	VSA modulator-control unit 46P connector	No. 34
U0129	F-CAN C_H	CAN gateway 16P connector (female terminals):	No. 5	Electric servo brake control unit 22P connector	No. 19
U0129	F-CAN C_L	CAN gateway 16P connector (female terminals):	No. 13	Electric servo brake control unit 22P connector	No. 18
U0151	F-CAN C_H	CAN gateway 16P connector (female terminals):	No. 5	SRS unit connector A (39P)	No. 34
U0151	F-CAN C_L	CAN gateway 16P connector (female terminals):	No. 13	SRS unit connector A (39P)	No. 35

Courtesy of HONDA, U.S.A., INC.

Is there 1.0 Ω or less?

YES

The F-CAN C_H wire and the F-CAN C_L wire are OK. Check for any authorized service information related to the DTCs or symptoms you are troubleshooting. According to the detected DTC on the following table, substitute or replace the correspond control unit.

DTC	Operation for transmitting control unit
U0104	Check for poor connections or loose terminals at the CAN gateway and the millimeter wave radar. Substitute a known-good millimeter wave radar .
U0122	Check for poor connections or loose terminals at the CAN gateway and the VSA modulator-control unit. Replace the VSA modulator-control unit .
U0129	Check for poor connections or loose terminals at the CAN gateway and the electric servo brake control unit. Replace the electric servo brake control unit .
U0151	Check for poor connections or loose terminals at the CAN gateway and the SRS unit. Substitute a known-good SRS unit .

Repair an open in the F-CAN C_H wire or the F-CAN C_L wire between the transmitting control unit and the CAN gateway.

Open wire check (F-CAN D_H line, F-CAN D_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).

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

DTC	Connector
-	CAN gateway 16P connector
U0114	Real time AWD control unit 24P connector
U0155	Gauge control module connector A (32P)
U1207	Electric A/C compressor 4P connector

-3. Measure the resistance 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)
DTC	Circuit name	Connector	Terminal	Connector	Terminal
U0114	F-CAN D_H	CAN gateway 16P connector (female terminals):	No. 7	Real time AWD control unit 24P connector	No. 14
U0114	F-CAN D_L	CAN gateway 16P connector (female terminals):	No. 15	Real time AWD control unit 24P connector	No. 24
U0155	F-CAN D_H	CAN gateway 16P connector (female terminals):	No. 7	Gauge control module connector A (32P)	No. 19
U0155	F-CAN D_L	CAN gateway 16P connector (female terminals):	No. 15	Gauge control module connector A (32P)	No. 20
U1207	F-CAN D_H	CAN gateway 16P connector (female terminals):	No. 7	A/C compressor 4P connector (female terminals):	No. 4
U1207	F-CAN D_L	CAN gateway 16P connector (female terminals):	No. 15	A/C compressor 4P connector (female terminals):	No. 3

Courtesy of HONDA, U.S.A., INC.

Courtesy of HONDA, U.S.A., INC.

Is there 1.0 Ω or less?

YES

The F-CAN D_H wire and the F-CAN D_L wire are OK. Check for any authorized service information related to the DTCs or symptoms you are troubleshooting. According to the detected DTC on the following table, substitute or replace the correspond control unit.

DTC	Operation for transmitting control unit
U0114	Check for poor connections or loose terminals at the CAN gateway and the real time AWD control unit. Substitute a known-good real time AWD control unit .
U0155	Check for poor connections or loose terminals at the CAN gateway and the gauge control module. Substitute a known-good gauge control module .
U1207	Check for poor connections or loose terminals at the CAN gateway and the electric A/C compressor. Substitute a known-good A/C compressor .

Repair an open in the F-CAN D_H wire or the F-CAN D_L wire between the transmitting control unit and the CAN gateway.