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:

Recommended fluids/lubricants and capacities
The following are approximate capacities. The actual refill capacities may be a little different. When refilling, follow the procedure described in the "Do-it-yourself" section to determine the proper refill capacity. ...

P073E Unable to engage r range
Description This malfunction is detected when the A/T does not shift into reverse position as instructed by TCM. This is not only caused by electrical malfunction (circuits open or shorted) but by mechanical malfunction such as control valve sticking, improper solenoid valve operation, etc D ...

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