Qashqai J11. Parking brake system - part 8

U0100 ECM COMMUNICATION

PB-113

< DTC/CIRCUIT DIAGNOSIS >

C

D

E

G

H

I

J

K

L

M

A

B

PB

N

O

P

3.

Repeat the parking brake switch operation (pull and push) five times.

4.

Perform self-diagnosis for “EHS/PKB”.

Is DTC “U0100”, “U1000” detected?

YES (“U0100”)>>Replace the electric parking brake control module. Refer to 

PB-141, "Removal and Installa-

tion"

.

YES (“U1000”)>>Proceed to 

LAN-28, "Trouble Diagnosis Flow Chart"

.

NO

>> INSPECTION END

PB-114

< DTC/CIRCUIT DIAGNOSIS >

U0111 IPDM E/R COMMUNICATION

U0111 IPDM E/R COMMUNICATION

DTC Description

INFOID:0000000010833699

DTC DETECTION LOGIC

POSSIBLE CAUSE

• IPDM E/R
• CAN communication line
• Electric parking brake control module

FAIL-SAFE

Automatic apply and release are prohibited.

DTC CONFIRMATION PROCEDURE

1.

PRECONDITIONING

If “DTC CONFIRMATION PROCEDURE” has been previously conducted, always turn the ignition switch OFF
and wait at least 10 seconds before conducting the next test.

>> GO TO 2.

2.

CHECK DTC DETECTION

With CONSULT

1.

Turn the ignition switch OFF to ON.

CAUTION:

Be sure to wait for 10 seconds after turning ignition switch OFF or ON.

2.

Push the parking brake switch.

CAUTION:

• Set the select lever in the P position.
• Depress the brake pedal.

3.

Pull the parking brake switch.

4.

Perform self-diagnosis for “EHS/PKB”.

Is DTC “U0111” detected?

YES

>> Proceed to 

PB-114, "Diagnosis Procedure"

.

NO-1

>> To check malfunction symptom before repair: Refer to 

GI-44, "Intermittent Incident"

.

NO-2

>> Confirmation after repair: INSPECTION END

Diagnosis Procedure

INFOID:0000000010833700

1.

ERFORM SELF-DIAGNOSIS (1)

With CONSULT

Perform self-diagnosis for “IPDM E/R”.

Is DTC detected?

YES

>> Check the DTC. Refer to 

PCS-37, "DTC Index"

.

NO

>> GO TO 2.

2.

PERFORM SELF-DIAGNOSIS (2)

With CONSULT

1.

Turn the ignition switch OFF to ON.

CAUTION:

Be sure to wait for 10 seconds or more after turning the ignition switch OFF.

DTC

Display Item

(Trouble diagnosis content)

Malfunction detected condition

U0111

BATTERY ENERGY CONTROL 
MODULE A
(BATTERY ENERGY CONTROL 
MODULE A)

When CAN communication signal with IPDM E/R is not continuously received for 2 
seconds or more.

U0111 IPDM E/R COMMUNICATION

PB-115

< DTC/CIRCUIT DIAGNOSIS >

C

D

E

G

H

I

J

K

L

M

A

B

PB

N

O

P

2.

Erase self-diagnosis result for “EHS/PKB”.

3.

Repeat the parking brake switch operation (pull and push) five times.

4.

Perform self-diagnosis for “EHS/PKB”.

Is DTC “U0111”, “U1000” detected?

YES (“U0111”)>>Replace the electric parking brake control module. Refer to 

PB-141, "Removal and Installa-

tion"

.

YES (“U1000”)>>Proceed to 

LAN-28, "Trouble Diagnosis Flow Chart"

.

NO

>> INSPECTION END

PB-116

< DTC/CIRCUIT DIAGNOSIS >

U0129 ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) COMMUNICA-

TION

U0129 ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) COMMU-
NICATION

DTC Description

INFOID:0000000010833701

DTC DETECTION LOGIC

POSSIBLE CAUSE

• ABS actuator and electric unit (control unit)
• CAN communication line
• Electric parking brake control module

FAIL-SAFE

• Automatic apply and release are prohibited.
• Brake force is degraded.

DTC CONFIRMATION PROCEDURE

1.

PRECONDITIONING

If “DTC CONFIRMATION PROCEDURE” has been previously conducted, always turn the ignition switch OFF
and wait at least 10 seconds before conducting the next test.

>> GO TO 2.

2.

CHECK DTC DETECTION

With CONSULT

1.

Turn the ignition switch OFF to ON.

CAUTION:

Be sure to wait for 10 seconds after turning ignition switch OFF or ON.

2.

Push the parking brake switch.

CAUTION:

• Set the select lever in the P position.
• Depress the brake pedal.

3.

Pull the parking brake switch.

4.

Perform self-diagnosis for “EHS/PKB”.

Is DTC “U0129” detected?

YES

>> Proceed to 

PB-116, "Diagnosis Procedure"

.

NO-1

>> To check malfunction symptom before repair: Refer to 

GI-44, "Intermittent Incident"

.

NO-2

>> Confirmation after repair: INSPECTION END

Diagnosis Procedure

INFOID:0000000010833702

1.

ERFORM SELF-DIAGNOSIS (1)

With CONSULT

Perform self-diagnosis for “ABS”.
Is DTC detected?

YES

>> Check the DTC. Refer to 

BRC-54, "DTC Index"

.

NO

>> GO TO 2.

2.

PERFORM SELF-DIAGNOSIS (2)

With CONSULT

DTC

Display Item

(Trouble diagnosis content)

Malfunction detected condition

U0129

BRAKE SYSTEM CONTROL 
MODULE
(BRAKE SYSTEM CONTROL 
MODULE)

When CAN communication signal with ABS actuator and electric unit (control unit) is 
not continuously received for 2 seconds or more.

U0129 ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) COMMUNICA-

TION

PB-117

< DTC/CIRCUIT DIAGNOSIS >

C

D

E

G

H

I

J

K

L

M

A

B

PB

N

O

P

1.

Turn the ignition switch OFF to ON.

CAUTION:

Be sure to wait for 10 seconds or more after turning the ignition switch OFF.

2.

Erase self-diagnosis result for “EHS/PKB”.

3.

Repeat the parking brake switch operation (pull and push) five times.

4.

Perform self-diagnosis for “EHS/PKB”.

Is DTC “U0129”, “U1000” detected?

YES (“U0129”)>>Replace the electric parking brake control module. Refer to 

PB-141, "Removal and Installa-

tion"

.

YES (“U1000”)>>Proceed to 

LAN-28, "Trouble Diagnosis Flow Chart"

.

NO

>> INSPECTION END

PB-118

< DTC/CIRCUIT DIAGNOSIS >

U0140 BCM COMMUNICATION

U0140 BCM COMMUNICATION

DTC Description

INFOID:0000000010833703

DTC DETECTION LOGIC

POSSIBLE CAUSE

• BCM
• CAN communication line
• Electric parking brake control module

FAIL-SAFE

Automatic apply and release are prohibited.

DTC CONFIRMATION PROCEDURE

1.

PRECONDITIONING

If “DTC CONFIRMATION PROCEDURE” has been previously conducted, always turn the ignition switch OFF
and wait at least 10 seconds before conducting the next test.

>> GO TO 2.

2.

CHECK DTC DETECTION

With CONSULT

1.

Turn the ignition switch OFF to ON.

CAUTION:

Be sure to wait for 10 seconds after turning ignition switch OFF or ON.

2.

Push the parking brake switch.

CAUTION:

• Set the select lever in the P position.
• Depress the brake pedal.

3.

Pull the parking brake switch.

4.

Perform self-diagnosis for “EHS/PKB”.

Is DTC “U0140” detected?

YES

>> Proceed to 

PB-118, "Diagnosis Procedure"

.

NO-1

>> To check malfunction symptom before repair: Refer to 

GI-44, "Intermittent Incident"

.

NO-2

>> Confirmation after repair: INSPECTION END

Diagnosis Procedure

INFOID:0000000010833704

1.

ERFORM SELF-DIAGNOSIS (1)

With CONSULT

Perform self-diagnosis for “BCM”.

Is DTC detected?

YES

>> Check the DTC. Refer to 

BCS-89, "DTC Index"

.

NO

>> GO TO 2.

2.

PERFORM SELF-DIAGNOSIS (2)

With CONSULT

1.

Turn the ignition switch OFF to ON.

CAUTION:

Be sure to wait for 10 seconds or more after turning the ignition switch OFF.

2.

Erase self-diagnosis result for “EHS/PKB”.

DTC

Display Item

(Trouble diagnosis content)

Malfunction detected condition

U0140

BCM
(BCM)

When CAN communication signal with BCM is not continuously received for 2 sec-
onds or more.

U0140 BCM COMMUNICATION

PB-119

< DTC/CIRCUIT DIAGNOSIS >

C

D

E

G

H

I

J

K

L

M

A

B

PB

N

O

P

3.

Repeat the parking brake switch operation (pull and push) five times.

4.

Perform self-diagnosis for “EHS/PKB”.

Is DTC “U0140”, “U1000” detected?

YES (“U0410”)>>Replace the electric parking brake control module. Refer to 

PB-141, "Removal and Installa-

tion"

.

YES (“U1000”)>>Proceed to 

LAN-28, "Trouble Diagnosis Flow Chart"

.

NO

>> INSPECTION END

PB-120

< DTC/CIRCUIT DIAGNOSIS >

U0155 METER COMMUNICATION

U0155 METER COMMUNICATION

DTC Description

INFOID:0000000010833705

DTC DETECTION LOGIC

POSSIBLE CAUSE

• Combination meter
• CAN communication line
• Electric parking brake control module

FAIL-SAFE

Automatic release is prohibited.

DTC CONFIRMATION PROCEDURE

1.

PRECONDITIONING

If “DTC CONFIRMATION PROCEDURE” has been previously conducted, always turn the ignition switch OFF
and wait at least 10 seconds before conducting the next test.

>> GO TO 2.

2.

CHECK DTC DETECTION

With CONSULT

1.

Turn the ignition switch OFF to ON.

CAUTION:

Be sure to wait for 10 seconds after turning ignition switch OFF or ON.

2.

Push the parking brake switch.

CAUTION:

• Set the select lever in the P position.
• Depress the brake pedal.

3.

Pull the parking brake switch.

4.

Perform self-diagnosis for “EHS/PKB”.

Is DTC “U0155” detected?

YES

>> Proceed to 

PB-120, "Diagnosis Procedure"

.

NO-1

>> To check malfunction symptom before repair: Refer to 

GI-44, "Intermittent Incident"

.

NO-2

>> Confirmation after repair: INSPECTION END

Diagnosis Procedure

INFOID:0000000010833706

1.

ERFORM SELF-DIAGNOSIS (1)

With CONSULT

Perform self-diagnosis for “METER M&A”.

Is DTC detected?

YES

>> Check the DTC. Refer to 

MWI-40, "DTC Index"

.

NO

>> GO TO 2.

2.

PERFORM SELF-DIAGNOSIS (2)

With CONSULT

1.

Turn the ignition switch OFF to ON.

CAUTION:

Be sure to wait for 10 seconds or more after turning the ignition switch OFF.

2.

Erase self-diagnosis result for “EHS/PKB”.

DTC

Display Item

(Trouble diagnosis content)

Malfunction detected condition

U0155

IPC CONTROL MODULE
(IPC CONTROL MODULE)

When CAN communication signal with combination meter is not continuously received 
for 2 seconds or more.

U0155 METER COMMUNICATION

PB-121

< DTC/CIRCUIT DIAGNOSIS >

C

D

E

G

H

I

J

K

L

M

A

B

PB

N

O

P

3.

Repeat the parking brake switch operation (pull and push) five times.

4.

Perform self-diagnosis for “EHS/PKB”.

Is DTC “U0155”, “U1000” detected?

YES (“U0155”)>>Replace the electric parking brake control module. Refer to 

PB-141, "Removal and Installa-

tion"

.

YES (“U1000”)>>Proceed to 

LAN-28, "Trouble Diagnosis Flow Chart"

.

NO

>> INSPECTION END

PB-122

< DTC/CIRCUIT DIAGNOSIS >

U0401 ECM SIGNAL

U0401 ECM SIGNAL

DTC Description

INFOID:0000000010833707

DTC DETECTION LOGIC

POSSIBLE CAUSE

• ECM
• Parking brake control module

FAIL-SAFE

Automatic apply and release are prohibited.

DTC CONFIRMATION PROCEDURE

1.

PRECONDITIONING

If “DTC CONFIRMATION PROCEDURE” has been previously conducted, always turn the ignition switch OFF
and wait at least 10 seconds before conducting the next test.

>> GO TO 2.

2.

CHECK DTC DETECTION

With CONSULT

1.

Turn the ignition switch OFF to ON.

CAUTION:

Be sure to wait for 10 seconds after turning ignition switch OFF or ON.

2.

Push the parking brake switch.

CAUTION:

• Set the select lever in the P position.
• Depress the brake pedal.

3.

Pull the parking brake switch.

4.

Perform self-diagnosis for “EHS/PKB”.

Is DTC “U0401” detected?

YES

>> Proceed to 

PB-122, "Diagnosis Procedure"

.

NO-1

>> To check malfunction symptom before repair: Refer to 

GI-44, "Intermittent Incident"

.

NO-2

>> Confirmation after repair: INSPECTION END

Diagnosis Procedure

INFOID:0000000010833708

1.

ERFORM SELF-DIAGNOSIS (1)

With CONSULT

Perform self-diagnosis for “ENGINE”.

Is DTC detected?

YES

>> Check the DTC.

NO

>> GO TO 2.

2.

PERFORM SELF-DIAGNOSIS (2)

With CONSULT

1.

Turn the ignition switch OFF to ON.

CAUTION:

Be sure to wait for 10 seconds or more after turning the ignition switch OFF.

2.

Erase self-diagnosis result for “EHS/PKB”.

3.

Repeat the parking brake switch operation (pull and push) five times.

DTC

Display Item

(Trouble diagnosis content)

Malfunction detected condition

U0401

VCM
(Vehicle control module)

When a malfunction is detected in ECM system.

U0401 ECM SIGNAL

PB-123

< DTC/CIRCUIT DIAGNOSIS >

C

D

E

G

H

I

J

K

L

M

A

B

PB

N

O

P

4.

Perform self-diagnosis for “EHS/PKB”.

Is DTC “U0401”, “U1000” detected?

YES (“U0401”)>>Replace the electric parking brake control module. Refer to 

PB-141, "Removal and Installa-

tion"

.

YES (“U1000”)>>Proceed to 

LAN-28, "Trouble Diagnosis Flow Chart"

.

NO

>> INSPECTION END

PB-124

< DTC/CIRCUIT DIAGNOSIS >

U0418 ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) SIGNAL

U0418 ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) SIGNAL

DTC Description

INFOID:0000000010833709

DTC DETECTION LOGIC

POSSIBLE CAUSE

• ABS actuator and electric unit (control unit)
• Electric parking brake control module

FAIL-SAFE

• Automatic apply and release are prohibited.
• Brake force is degraded.

DTC CONFIRMATION PROCEDURE

1.

PRECONDITIONING

If “DTC CONFIRMATION PROCEDURE” has been previously conducted, always turn the ignition switch OFF
and wait at least 10 seconds before conducting the next test.

>> GO TO 2.

2.

CHECK DTC DETECTION

With CONSULT

1.

Turn the ignition switch OFF to ON.

CAUTION:

Be sure to wait for 10 seconds after turning ignition switch OFF or ON.

2.

Push the parking brake switch.

CAUTION:

• Set the select lever in the P position.
• Depress the brake pedal.

3.

Pull the parking brake switch.

4.

Perform self-diagnosis for “EHS/PKB”.

Is DTC “U0418” detected?

YES

>> Proceed to 

PB-124, "Diagnosis Procedure"

.

NO-1

>> To check malfunction symptom before repair: Refer to 

GI-44, "Intermittent Incident"

.

NO-2

>> Confirmation after repair: INSPECTION END

Diagnosis Procedure

INFOID:0000000010833710

1.

ERFORM SELF-DIAGNOSIS (1)

With CONSULT

Perform self-diagnosis for “ABS”.
Is DTC detected?

YES

>> Check the DTC. Refer to 

BRC-54, "DTC Index"

.

NO

>> GO TO 2.

2.

PERFORM SELF-DIAGNOSIS (2)

With CONSULT

1.

Turn the ignition switch OFF to ON.

CAUTION:

Be sure to wait for 10 seconds or more after turning the ignition switch OFF.

DTC

Display Item

(Trouble diagnosis content)

Malfunction detected condition

U0418

BRAKE SYSTEM CONTROL 
MODULE
(Brake system control module)

When a malfunction is detected in ABS actuator and electric unit (control unit) system.

U0418 ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) SIGNAL

PB-125

< DTC/CIRCUIT DIAGNOSIS >

C

D

E

G

H

I

J

K

L

M

A

B

PB

N

O

P

2.

Erase self-diagnosis result for “EHS/PKB”.

3.

Repeat the parking brake switch operation (pull and push) five times.

4.

Perform self-diagnosis for “EHS/PKB”.

Is DTC “U0418”, “U1000” detected?

YES (“U0418”)>>Replace the electric parking brake control module. Refer to 

PB-141, "Removal and Installa-

tion"

.

YES (“U1000”)>>Proceed to 

LAN-28, "Trouble Diagnosis Flow Chart"

.

NO

>> INSPECTION END

PB-126

< DTC/CIRCUIT DIAGNOSIS >

U0422 BCM SIGNAL

U0422 BCM SIGNAL

DTC Description

INFOID:0000000010833711

DTC DETECTION LOGIC

POSSIBLE CAUSE

• BCM
• Electric parking brake control module

FAIL-SAFE

Automatic release is prohibited.

DTC CONFIRMATION PROCEDURE

1.

PRECONDITIONING

If “DTC CONFIRMATION PROCEDURE” has been previously conducted, always turn the ignition switch OFF
and wait at least 10 seconds before conducting the next test.

>> GO TO 2.

2.

CHECK DTC DETECTION

With CONSULT

1.

Turn the ignition switch OFF to ON.

CAUTION:

Be sure to wait for 10 seconds after turning ignition switch OFF or ON.

2.

Push the parking brake switch.

CAUTION:

• Set the select lever in the P position.
• Depress the brake pedal.

3.

Pull the parking brake switch.

4.

Perform self-diagnosis for “EHS/PKB”.

Is DTC “U0422” detected?

YES

>> Proceed to 

PB-126, "Diagnosis Procedure"

.

NO-1

>> To check malfunction symptom before repair: Refer to 

GI-44, "Intermittent Incident"

.

NO-2

>> Confirmation after repair: INSPECTION END

Diagnosis Procedure

INFOID:0000000010833712

1.

ERFORM SELF-DIAGNOSIS (1)

With CONSULT

Perform self-diagnosis for “BCM”.

Is DTC detected?

YES

>> Check the DTC. Refer to 

BCS-89, "DTC Index"

.

NO

>> GO TO 2.

2.

PERFORM SELF-DIAGNOSIS (2)

With CONSULT

1.

Turn the ignition switch OFF to ON.

CAUTION:

Be sure to wait for 10 seconds or more after turning the ignition switch OFF.

2.

Erase self-diagnosis result for “EHS/PKB”.

3.

Repeat the parking brake switch operation (pull and push) five times.

DTC

Display Item

(Trouble diagnosis content)

Malfunction detected condition

U0422

BCM
(Body control module)

When a malfunction is detected in BCM system.

U0422 BCM SIGNAL

PB-127

< DTC/CIRCUIT DIAGNOSIS >

C

D

E

G

H

I

J

K

L

M

A

B

PB

N

O

P

4.

Perform self-diagnosis for “EHS/PKB”.

Is DTC “U0422”, “U1000” detected?

YES (“U0422”)>>Replace the electric parking brake control module. Refer to 

PB-141, "Removal and Installa-

tion"

.

YES (“U1000”)>>Proceed to 

LAN-28, "Trouble Diagnosis Flow Chart"

.

NO

>> INSPECTION END

PB-128

< DTC/CIRCUIT DIAGNOSIS >

U1000 CAN COMM CIRCUIT

U1000 CAN COMM CIRCUIT

DTC Description

INFOID:0000000010833713

DTC DETECTION LOGIC

POSSIBLE CAUSE

• CAN communication system malfunction

FAIL-SAFE

• Automatic apply and release are prohibited.
• Brake force is degraded.

DTC CONFIRMATION PROCEDURE

1.

PRECONDITIONING

If “DTC CONFIRMATION PROCEDURE” has been previously conducted, always turn the ignition switch OFF
and wait at least 10 seconds before conducting the next test.

>> GO TO 2.

2.

CHECK DTC DETECTION

With CONSULT

1.

Turn the ignition switch OFF to ON.

CAUTION:

Be sure to wait for 10 seconds after turning ignition switch OFF or ON.

2.

Push the parking brake switch.

CAUTION:

• Set the select lever in the P position.
• Depress the brake pedal.

3.

Pull the parking brake switch.

4.

Perform self-diagnosis for “EHS/PKB”.

Is DTC “C1000” detected?

YES

>> Proceed to 

PB-128, "Diagnosis Procedure"

.

NO-1

>> To check malfunction symptom before repair: Refer to 

GI-44, "Intermittent Incident"

.

NO-2

>> Confirmation after repair: INSPECTION END

Diagnosis Procedure

INFOID:0000000010833714

Proceed to 

LAN-28, "Trouble Diagnosis Flow Chart"

.

DTC

Display Item

(Trouble diagnosis content)

Malfunction detected condition

U1000

CAN COMM CIRCUIT
(CAN communication cir-
cuit)

BUS OFF
(Bus off)

When CAN communication signal is not continuously transmitted or re-
ceived for 2 seconds or more.

ERRATIC
(Erratic)

When no inaccurate signal is received.