Nissan Versa (N17): U0100 Lost communication (ECM A)

Nissan Versa 2nd generation (N17) Service Manual / Transmission & driveline / Transaxle & transmission (TM) / 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 is ON, TCM is unable to receive the CAN communications signal from ECM continuously for 2 seconds or more.
  • ECM
  • 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 the 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 "U0100" detected?

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

NO >> INSPECTION END

Diagnosis Procedure

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

U0073 Communication bus a off

DTC Logic DTC Trouble diagnosis name DTC detecting condition Possible causes U0073 Control Module Communication Bus "A" Off When the ignition switch is ON, ...

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 ...

Other materials:

Hazard warning flasher switch
Push the switch on to warn other drivers when you must stop or park under emergency conditions. All turn signal lights flash. WARNING If stopping for an emergency, be sure to move the vehicle well off the road. Do not use the hazard warning flashers while moving on the highway unl ...

U1117 Lost communication (ABS)
DTC Logic DTC DETECTION LOGIC DTC Trouble diagnosis name DTC detection condition Possible causes U1117 Lost Communication With ABS When the ignition switch is ON, TCM is unable to receive the CAN communications signal from ABS actuator control unit cont ...

Categories


© 2017-2026 Copyright www.niveguide.com
0.0062