DTC U0104, U010F, U0122, U0129, U0131, U0151, U0155, U1207, U12A4, U1603, U1604, U1605, U1607, U160B

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

DTC U010F : F-CAN Malfunction (PCM-Climate Control Unit)

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

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

DTC U0131 : F-CAN Malfunction (PCM-EPS 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 U12A4 : F-CAN Malfunction (PCM-Electric Coolant Heater)

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)

DTC U1607 : F-CAN Malfunction (PCM-Battery Charge Control Unit)

DTC U160B : F-CAN Malfunction (PCM-SBW Shifter)

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
U0104 F-CAN Malfunction (PCM-Driving Support System Control Unit)
U010F F-CAN Malfunction (PCM-Climate) Control Module)
U0122 F-CAN Malfunction (PCM-VSA Modulator-Control Unit)
U0129 F-CAN Malfunction (PCM-Electric Servo Brake Control Unit)
U0131 F-CAN Malfunction (PCM-EPS 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)
U12A4 F-CAN Malfunction (PCM-Electric Coolant Heater)
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)
U1607 F-CAN malfunction (PCM-Battery) Charge Control Module)
U160B F-CAN Malfunction (PCM-Shifter)

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

DTC (CAN GATEWAY)

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. Check for continuity 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 continuity?

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 , then recheck. If the indicated DTC goes away and the PCM was substituted, replace the original 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. Check for continuity 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 continuity?

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 , then recheck. If the indicated DTC goes away and the PCM was substituted, replace the original 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

-2. 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
U0104	Multipurpose camera unit	B, C
U010F	Climate control unit	A
U0122	VSA modulator-control unit	B, C
U0129	Electric servo brake control unit	B, C
U0131	EPS control unit	C
U0151	SRS unit	C
U0155	Gauge control module	B
U1207	Electric A/C compressor	A
U12A4	Electric coolant heater	A
U1603	Battery condition monitor module	A
U1604	PCU (motor control module)	A
U1605	PCU (motor control module)	A
U1607	Battery charge control module	A, B, D
U160B	SBW shifter control module	B

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.

U0104: Multipurpose camera unit is Not Available for Bus B

Go to step 8.

U0104: Multipurpose camera unit is Not Available for Bus C

Go to step 9.

U010F: Climate control unit is Not Available for Bus A

Go to step 6.

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

Go to step 8.

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

Go to step 9.

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

Go to step 8.

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

Go to step 9.

U0131: EPS control unit is Not Available for Bus C

Go to step 9.

U0151: SRS unit is Not Available for Bus C

Go to step 9.

U0155: Gauge control module is Not Available for Bus B

Go to step 8.

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

Go to step 6.

U12A4: Electric coolant heater is Not Available for Bus A

Go to step 6.

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.

U1607: Battery charge control module is Not Available for Bus A

Go to step 6.

U1607: Battery charge control module is Not Available for Bus B

Go to step 8.

U1607: Battery charge control module is Not Available for Bus D

Go to step 10.

U160B: SBW shifter control module is Not Available for Bus B

Go to step 8.

Open wire check (F-CAN A_H line, F-CAN A_L line) 1

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

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 IPU connector, do the 12 volt battery terminal disconnection procedure , and turn off the service plug .
Before disconnecting the battery charge control module connector, do the 12 volt battery terminal disconnection procedure .

DTC	Connector
-	CAN gateway 16P connector
U010F	Climate control unit connector A (32P)
U1207	Electric A/C compressor 4P connector
U12A4	Electric coolant heater 4P connector
U1603	IPU 33P connector
U1604	PCU 33P connector
U1605	PCU 33P connector
U1607	Battery charge control module connector B (40P)

-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)
DTC	Circuit name	Connector	Terminal	Connector	Terminal
U010F	F-CAN A_H	CAN gateway 16P connector (female terminals):	No. 3	Climate control unit connector A (32P)	No. 8
U010F	F-CAN A_L	CAN gateway 16P connector (female terminals):	No. 11	Climate control unit connector A (32P)	No. 24
U1207	F-CAN A_H	CAN gateway 16P connector (female terminals):	No. 3	Electric A/C compressor 4P connector (female terminals):	No. 1
U1207	F-CAN A_L	CAN gateway 16P connector (female terminals):	No. 11	Electric A/C compressor 4P connector (female terminals):	No. 2
U12A4	F-CAN A_H	CAN gateway 16P connector (female terminals):	No. 3	Electric coolant heater 4P connector (female terminals):	No. 4
U12A4	F-CAN A_L	CAN gateway 16P connector (female terminals):	No. 11	Electric coolant heater 4P connector (female terminals):	No. 3
U1603	F-CAN A_H	CAN gateway 16P connector (female terminals):	No. 3	IPU 33P connector	No. 26
U1603	F-CAN A_L	CAN gateway 16P connector (female terminals):	No. 11	IPU 33P connector	No. 27
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
U1607	F-CAN A_H	CAN gateway 16P connector (female terminals):	No. 3	Battery charge control module connector B (40P)	No. 6
U1607	F-CAN A_L	CAN gateway 16P connector (female terminals):	No. 11	Battery charge control module connector B (40P)	No. 26

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

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

Is there continuity?

YES (except U1603)

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
U010F	Check for poor connections or loose terminals at the CAN gateway and the climate control unit. Substitute a known-good climate control unit , then recheck. If DTC U010F goes away and the climate control unit was substituted, replace the original climate control unit .
U1207	Check for poor connections or loose terminals at the CAN gateway and the electric A/C compressor. Substitute a known-good electric A/C compressor , then recheck. If DTC U1207 goes away and the electric A/C compressor was substituted, replace the original electric A/C compressor .
U12A4	Check for poor connections or loose terminals at the CAN gateway and the electric coolant heater. Substitute a known-good electric coolant heater , then recheck. If DTC U12A4 goes away and the electric coolant heater was substituted, replace the original electric coolant heater .
U1604	Check for poor connections or loose terminals at the CAN gateway and the PCU. Substitute a known-good PCU , then recheck. If DTC U1604 goes away and the PCU was substituted, replace the original PCU .
U1605	Check for poor connections or loose terminals at the CAN gateway and the PCU. Substitute a known-good PCU , then recheck. If DTC U1605 goes away and the PCU was substituted, replace the original PCU .
U1607	Check for poor connections or loose terminals at the CAN gateway and the battery charge control module. Substitute a known-good battery charge control module , then recheck. If DTC U1607 goes away and the battery charge control module was substituted, replace the original battery charge control module .

YES (U1603)

Go to step 7.

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 A_H line, F-CAN A_L line) 2

-1. Remove the IPU .

-2. Remove the IPU cover .

-3. Disconnect the following connector.

Battery condition monitor module A connector G (24P)

-4. Check for continuity between test points 1 and 2.

Test condition	Vehicle OFF (LOCK) mode
	CAN gateway 16P connector: disconnected
	IPU 33P connector: disconnected
	Battery condition monitor module A connector G (24P): disconnected

Test point 1	IPU 33P connector (male terminals) No. 26:
Test point 2	Battery condition monitor module A connector G (24P) No. 12

Test point 1	IPU 33P connector (male terminals) No. 27:
Test point 2	Battery condition monitor module A connector G (24P) No. 24

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

Is there continuity?

YES

Check for any authorized service information related to the DTCs or symptoms you are troubleshooting, or substitute a known-good battery condition monitor module A , then recheck. If DTC U1603 goes away and battery condition monitor module A was substituted, replace original battery condition monitor module A .

Repair an open in the F-CAN A_H wire or the F-CAN A_L wire between the IPU 33P connector and battery condition monitor module A.

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 battery charge control module connector, do the 12 volt battery terminal disconnection procedure .

DTC	Connector
-	CAN gateway 16P connector
U0104	Multipurpose camera unit 20P connector
U0122	VSA modulator-control unit 46P connector
U0129	Electric servo brake control unit 22P connector
U0155	Gauge control module connector A (32P)
U1607	Battery charge control module connector B (40P)
U160B	SBW shifter control module 20P connector

-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)
DTC	Circuit name	Connector	Terminal	Connector	Terminal
U0104	F-CAN B_H	CAN gateway 16P connector (female terminals):	No. 6	Multipurpose camera unit 20P connector	No. 2
U0104	F-CAN B_L	CAN gateway 16P connector (female terminals):	No. 14	Multipurpose camera unit 20P connector	No. 13
U0122	F-CAN B_H	CAN gateway 16P connector (female terminals):	No. 6	VSA modulator-control unit 46P connector	No. 46
U0122	F-CAN B_L	CAN gateway 16P connector (female terminals):	No. 14	VSA modulator-control unit 46P connector	No. 34
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
U0155	F-CAN B_H	CAN gateway 16P connector (female terminals):	No. 6	Gauge control module connector A (32P)	No. 19
U0155	F-CAN B_L	CAN gateway 16P connector (female terminals):	No. 14	Gauge control module connector A (32P)	No. 20
U1607	F-CAN B_H	CAN gateway 16P connector (female terminals):	No. 6	Battery charge control module connector B (40P)	No. 4
U1607	F-CAN B_L	CAN gateway 16P connector (female terminals):	No. 14	Battery charge control module connector B (40P)	No. 24
U160B	F-CAN B_H	CAN gateway 16P connector (female terminals):	No. 6	SBW shifter control module 20P connector	No. 5
U160B	F-CAN B_L	CAN gateway 16P connector (female terminals):	No. 14	SBW shifter control module 20P connector	No. 6

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

Is there continuity?

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
U0104	Check for poor connections or loose terminals at the CAN gateway and the multipurpose camera unit. Substitute a known-good multipurpose camera unit , then recheck. If DTC U0104 goes away and the multipurpose camera unit was substituted, replace the original multipurpose camera unit .
U0122	Check for poor connections or loose terminals at the CAN gateway and the VSA modulator-control unit. Substitute a known-good VSA modulator-control unit , then recheck. If DTC U0122 goes away and the VSA modulator-control unit was substituted, replace the original VSA modulator-control unit .
U0129	Check for poor connections or loose terminals at the CAN gateway and the electric servo brake control unit. Substitute a known-good electric servo brake control unit , then recheck. If DTC U0129 goes away and the electric servo brake control unit was substituted, replace the original electric servo brake 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 , then recheck. If DTC U0155 goes away and the gauge control module was substituted, replace the original gauge control module .
U1607	Check for poor connections or loose terminals at the CAN gateway and the battery charge control module. Substitute a known-good battery charge control module , then recheck. If DTC U1607 goes away and the battery charge control module was substituted, replace the original battery charge control module .
U160B	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 , then recheck. If DTC U160B goes away and the SBW shifter control module was substituted, replace the original SBW shifter 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	Multipurpose camera unit 20P connector
U0122	VSA modulator-control unit 46P connector
U0129	Electric servo brake control unit 22P connector
U0131	EPS control unit connector B (6P)
U0151	SRS unit connector A (39P)

-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)
DTC	Circuit name	Connector	Terminal	Connector	Terminal
U0104	F-CAN C_H	CAN gateway 16P connector (female terminals):	No. 5	Multipurpose camera unit 20P connector	No. 4
U0104	F-CAN C_L	CAN gateway 16P connector (female terminals):	No. 13	Multipurpose camera unit 20P connector	No. 15
U0122	F-CAN C_H	CAN gateway 16P connector (female terminals):	No. 5	VSA modulator-control unit 46P connector	No. 40
U0122	F-CAN C_L	CAN gateway 16P connector (female terminals):	No. 13	VSA modulator-control unit 46P connector	No. 28
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
U0131	F-CAN C_H	CAN gateway 16P connector (female terminals):	No. 5	EPS control unit connector B (6P)	No. 3
U0131	F-CAN C_L	CAN gateway 16P connector (female terminals):	No. 13	EPS control unit connector B (6P)	No. 1
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 continuity?

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 multipurpose camera unit. Substitute a known-good multipurpose camera unit , then recheck. If DTC U0104 goes away and the multipurpose camera unit was substituted, replace the original multipurpose camera unit .
U0122	Check for poor connections or loose terminals at the CAN gateway and the VSA modulator-control unit. Substitute a known-good VSA modulator-control unit , then recheck. If DTC U0122 goes away and the VSA modulator-control unit was substituted, replace the original VSA modulator-control unit .
U0129	Check for poor connections or loose terminals at the CAN gateway and the electric servo brake control unit. Substitute a known-good electric servo brake control unit , then recheck. If DTC U0129 goes away and the electric servo brake control unit was substituted, replace the original electric servo brake control unit .
U0131	Check for poor connections or loose terminals at the CAN gateway and the EPS control unit. Substitute a known-good EPS control unit , then recheck. If DTC U0131 goes away and the EPS control unit was substituted, replace the original EPS control unit .
U0151	Check for poor connections or loose terminals at the CAN gateway and the SRS unit. Substitute a known-good SRS unit , then recheck. If DTC U0151 goes away and the SRS unit was substituted, replace the original 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. Do the 12 volt battery terminal disconnection procedure .

-3. Disconnect the following connectors.

CAN gateway 16P connector

Battery charge control module connector B (40P)

-4. Check for continuity between test points 1 and 2.

Test condition	Vehicle OFF (LOCK) mode
	CAN gateway 16P connector: disconnected
	Battery charge control module connector B (40P): disconnected

Test point 1	CAN gateway 16P connector (female terminals) No. 7:
Test point 2	Battery charge control module connector B (40P) No. 3

Test point 1	CAN gateway 16P connector (female terminals) No. 15:
Test point 2	Battery charge control module connector B (40P) No. 23

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

Is there continuity?

YES

Check for any authorized service information related to the DTCs or symptoms you are troubleshooting, or substitute a known-good battery charge control module , then recheck. If DTC U1607 goes away and battery charge control module was substituted, replace original battery charge control module .

Repair an open in the F-CAN D_H wire or the F-CAN D_L wire between the CAN gateway and the battery charge control module.