Nissan Qashqai J11. Manual - part 734

U0100 LOST COMMUNICATION (ECM A)

TM-511

< DTC/CIRCUIT DIAGNOSIS >

[CVT: RE0F10G]

C

E

F

G

H

I

J

K

L

M

A

B

TM

N

O

P

U0100 LOST COMMUNICATION (ECM A)

DTC Logic

INFOID:0000000010245581

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1.

PREPARATION BEFORE WORK

If another “DTC CONFIRMATION PROCEDURE” occurs just before, turn ignition switch OFF and wait for at
least 10 seconds, then perform the next test.

>> GO TO 2.

2.

PERFORM DTC CONFIRMATION PROCEDURE

1.

Start the engine and wait for at least 5 seconds.

2.

Check the DTC.

Is “U0100” detected?

YES

>> Go to 

TM-511, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000010245582

For the diagnosis procedure, refer to 

LAN-24, "Trouble Diagnosis Flow Chart"

. 

DTC

CONSULT screen terms

(Trouble diagnosis content)

DTC detection condition

Possible causes

U0100

LOST COMM (ECM A)
(Lost Communication With 
ECM/PCM A)

When the ignition switch is ON, TCM is un-
able to receive the CAN communications 
signal from ECM continuously for 2 sec-
onds or more.

• ECM
• Harness or connector

(CAN communication line is open or 
shorted)

TM-512

< DTC/CIRCUIT DIAGNOSIS >

[CVT: RE0F10G]

U0140 LOST COMMUNICATION (BCM)

U0140 LOST COMMUNICATION (BCM)

DTC Logic

INFOID:0000000010245583

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1.

PREPARATION BEFORE WORK

If another “DTC CONFIRMATION PROCEDURE” occurs just before, turn ignition switch OFF and wait for at
least 10 seconds, then perform the next test.

>> GO TO 2.

2.

PERFORM DTC CONFIRMATION PROCEDURE

With CONSULT

1.

Start the engine and wait for at least 5 seconds.

2.

Check the DTC.

Is “U0140” detected?

YES

>> Go to 

TM-512, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000010245584

For the diagnosis procedure, refer to 

LAN-24, "Trouble Diagnosis Flow Chart"

. 

DTC

CONSULT screen terms

(Trouble diagnosis content)

DTC detection condition

Possible causes

U0140

LOST COMM (BCM)
(Lost Communication With 
Body Control Module)

When the ignition switch is ON, TCM is unable 
to receive the CAN communications signal 
from BCM continuously for 2 seconds or more.

• BCM
• Harness or connector

(CAN communication line is open or 
shorted)

U0141 LOST COMMUNICATION (BCM A)

TM-513

< DTC/CIRCUIT DIAGNOSIS >

[CVT: RE0F10G]

C

E

F

G

H

I

J

K

L

M

A

B

TM

N

O

P

U0141 LOST COMMUNICATION (BCM A)

DTC Logic

INFOID:0000000010245585

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1.

PREPARATION BEFORE WORK

If another “DTC CONFIRMATION PROCEDURE” occurs just before, turn ignition switch OFF and wait for at
least 10 seconds, then perform the next test.

>> GO TO 2.

2.

PERFORM DTC CONFIRMATION PROCEDURE

With CONSULT

1.

Start the engine and wait for at least 5 seconds.

2.

Check the DTC.

Is “U0141” detected?

YES

>> Go to 

TM-513, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000010245586

For the diagnosis procedure, refer to 

LAN-24, "Trouble Diagnosis Flow Chart"

. 

DTC

CONSULT screen terms

(Trouble diagnosis content)

DTC detection condition

Possible causes

U0141

LOST COMM (BCM A)
(Lost Communication With 
Body Control Module A)

When the ignition switch is turned ON, TCM 
continues no reception of the CAN communi-
cation signal from IPDM E/R for 2 seconds or 
more. 

• IPDM E/R
• Harness or connector

(CAN communication line is open or 
shorted)

TM-514

< DTC/CIRCUIT DIAGNOSIS >

[CVT: RE0F10G]

U0155 LOST COMMUNICATION (IPC)

U0155 LOST COMMUNICATION (IPC)

DTC Logic

INFOID:0000000010245587

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1.

PREPARATION BEFORE WORK

If another “DTC CONFIRMATION PROCEDURE” occurs just before, turn ignition switch OFF and wait for at
least 10 seconds, then perform the next test.

>> GO TO 2.

2.

PERFORM DTC CONFIRMATION PROCEDURE

With CONSULT

1.

Start the engine and wait for at least 5 seconds.

2.

Check the DTC.

Is “U0155” detected?

YES

>> Go to 

TM-514, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000010245588

For the diagnosis procedure, refer to 

LAN-24, "Trouble Diagnosis Flow Chart"

. 

DTC

CONSULT screen terms

[Trouble diagnosis content]

DTC detection condition

Possible causes

U0155

LOST COMM (IPC)
[Lost Communication With In-
strument Panel Cluster (IPC) 
Control Module]

When the ignition switch is ON, TCM is unable 
to receive the CAN communications signal 
from the combination meter continuously for 2 
seconds or more.

• Combination meter
• Harness or connector

(CAN communication line is open or 
shorted)