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:

P0983 Shift solenoid D
DTC Logic DTC DETECTION LOGIC DTC Trouble diagnosis name DTC detection condition Possible causes P0983 Shift Solenoid D Control Circuit High The following diagnosis conditions are met, and the current monitor reading of the TCM line pressure solenoid val ...

Transmitter
Exploded View 1. Transmitter (tire pressure sensor) 2. O-ring 3. Valve stem nut 4. Valve core 5. Valve cap 6. Valve stem assembly : Parts that are replaced as a set when the tire is replaced. Removal and Installation REMOVAL Remove road wheel and tire assembly using power tool. Refe ...

Categories


© 2017-2026 Copyright www.niveguide.com
0.0064