Nissan Rogue Service Manual: U0140 lost communication (BCM)
DTC Description
DTC DETECTION LOGIC
| DTC | CONSULT screen terms (Trouble diagnosis content) | DTC detection condition |
| 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. |
POSSIBLE CAUSE
- BCM
- Harness or connector (CAN communication line is open or shorted)
FAIL-SAFE
Not changed from normal driving
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
- Start the engine and wait for at least 5 seconds.
- Check the DTC.
Is “U0140” detected? YES >> Go to TM-98, "Diagnosis Procedure".
NO-1 >> To check malfunction symptom before repair: Refer to GI-41, "Intermittent Incident".
NO-2 >> Confirmation after repair: INSPECTION END
Diagnosis Procedure
For the diagnosis procedure, refer to LAN-17, "Trouble Diagnosis Flow Chart".
U0102 lost communication (Transfer)
DTC Description
DTC DETECTION LOGIC
DTC
CONSULT screen terms
(Trouble diagnosis content)
DTC detection condition
U0102
LOST COMM (TRANSFER)
(Lost Communication With Tr ...
U0141 lost communication (BCM A)
DTC Description
DTC DETECTION LOGIC
DTC
CONSULT screen terms
(Trouble diagnosis content)
DTC detection condition
U0141
LOST COMM (BCM A)
(Lost Communication With Body ...
Other materials:
Glass lid
Exploded View
Panoramic roof glass
Glass lid
Side trim covers (LH/RH)
Front drain hose (LH/RH)
Moonroof motor assembly
Sunshade motor assembly
Moonroof front bracket (LH/RH)
Moonroof rear bracket (LH/RH)
Rear drain hose (LH/RH)
Moonroof unit assembly ...
Water hose
Exploded View
Water outlet
Hose clamp
Water hose A
Clip
CVT oil warmer
Transaxle assembly
Water hose B
Heater thermostat
Water hose C
: Always replace after every
disassembly.
: N·m (kg-m, ft-lb)
Removal and Installation
REMOVAL
WARNING:
Do not remove the rad ...
P014C, P014D, P015A, P015B, A/F sensor 1
DTC Description
DTC DETECTION LOGIC
To judge malfunctions, this diagnosis measures response time of the A/F
signal computed by ECM from the A/
F sensor 1 signal. The time is compensated by engine operating (speed and load),
fuel feedback control constant,
and the A/F sensor 1 temperature ind ...