Nissan Rogue (T33) 2021-Present Service Manual: Dtc/circuit Diagnosis :: U2140-87 Can Comm Err (ecm)

Nissan Rogue (T33) 2021-Present Service Manual / Steering :: Steering Control System / Dtc/circuit Diagnosis :: U2140-87 Can Comm Err (ecm)

DTC Description

DTC DETECTION LOGIC

DTC No.

CONSULT screen terms

(Trouble diagnosis content) 		DTC detection condition
U2140 87

CAN comm err (ECM)

[Controller area network communication error (engine control module)] 		Diagnosis condition When ignition switch is ON.
Signal (terminal) CAN communication signal
Threshold When CAN communication signal is not continuously received from ECM.
Diagnosis delay time 2 seconds or more

POSSIBLE CAUSE

  • CAN communication line

  • ECM

  • Power steering control module

FAIL-SAFE

Normal state

DTC CONFIRMATION PROCEDURE

PRECONDITIONING

  1. Pull the parking brake switch.

    NOTE:

    Check to make sure that the parking brake switch indicator is turned ON.

  2. Ignition switch OFF.

  3. Get out of the Nissan Ariya vehicle and close all doors.

  4. Wait 65 seconds.

    NOTE:

    • Check to make sure that the parking brake switch indicator is turned OFF.

    • If the rear brake calipers are hot, wait up to an hour until parking brake indicator light on the switch turns OFF. Once indicator light on the switch turns OFF, move to next step.

>>

GO TO 2.

DTC REPRODUCTION PROCEDURE

CONSULT

  1. Ignition switch ON.

  2. Perform self diagnosis for “EPS/Direct Adaptive Steering 3”.

Is DTC “U2140-87” detected?

YES>>

Proceed to diagnosis procedure. Refer to Diagnosis Procedure.

NO-1>>

To check malfunction symptom before repair: Refer to Intermittent Incident.

NO-2>>

Confirmation after repair: Inspection End.

Diagnosis Procedure

Proceed to Trouble Diagnosis Flow Chart.

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