Nissan Versa (N17): U0140 Lost communication (BCM)

Nissan Versa 2nd generation (N17) Service Manual / Transmission & driveline / Transaxle & transmission (TM) / U0140 Lost communication (BCM)

DTC Logic

DTC DETECTION LOGIC

DTC Trouble diagnosis name DTC detection condition Possible causes
U0140 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)

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 engine and wait for at least 5 seconds.
  2. Check the DTC.

Is "U0140" detected?

YES >> Go to TM, "Diagnosis Procedure".

NO >> INSPECTION END

Diagnosis Procedure

For the diagnosis procedure, refer to LAN, "Trouble Diagnosis Flow Chart".

U0100 Lost communication (ECM A)

DTC Logic DTC DETECTION LOGIC DTC Trouble diagnosis name DTC detection condition Possible causes U0100 Lost Communication With ECM/PCM "A" When the ignition switch ...

U0155 Lost communication (IPC)

DTC Logic DTC DETECTION LOGIC DTC Trouble diagnosis name DTC detection condition Possible causes U0155 Lost Communication With Instrument Panel Cluster (IPC) Cont ...

Other materials:

Rear window defroster switch
To defrost the rear window glass, start the engine and push the rear window defroster switch on. The rear window defroster indicator light on the switch comes on. Push the switch again to turn the defroster off. The rear window defroster automatically turns off after approximately 15 m ...

Fuel injector and fuel tube
Exploded View 1. Stud bolt 2. Oring (green) 3. Fuel injector (front) 4. Clip 5. Fuel injector (rear) 6. Oring (black) 7. Fuel tube protector 8. Fuel tube 9. Clamp 10. Quick connector cap (engine side) 11. Fuel feed hose 12. Quick connector cap (floor pipingside) 13. Fuel connector protect ...

Categories


© 2017-2025 Copyright www.niveguide.com
0.0063