Nissan Rogue (T33) 2021-Present Service Manual: U2141 Can Comm Circuit

Nissan Rogue (T33) 2021-Present Service Manual / Engine :: Engine Control System / Kr15ddt :: Dtc/circuit Diagnosis / U2141 Can Comm Circuit

DTC Description

DTC DETECTION LOGIC

DTC

CONSULT screen terms

(Trouble diagnosis content) 		DTC detection condition
U2141 57

CAN comm err (TCM)

[CAN comm err (TCM)] 		Diagnosis condition Ignition switch ON
Signal (terminal) CAN communication signal
Threshold MAC communication error
Diagnosis delay time 2 seconds or more
87 Diagnosis condition Ignition switch ON
Signal (terminal) CAN communication signal
Threshold ECM is not receiving CAN communication signal other than OBD (emission related diagnosis).
Diagnosis delay time 30 seconds or more

POSSIBLE CAUSE

U2141–57

  • MAC communication error

  • ECM used in other vehicles is installed in the Nissan Ariya vehicle

  • ECM

U2141–87

  • Harness or connectors (CAN communication line is open or shorted)

  • TCM

FAIL-SAFE

Not applicable

DTC CONFIRMATION PROCEDURE

U2141–57

CHECK DTC PRIORITY

If DTC U2141 is displayed with DTC U1327, first perform the trouble diagnosis for DTC U1327.

Is DTC U1327 detected?

YES>>

Proceed to DTC Description

NO>>

GO TO 2.

CHECK MAC DIAGNOSIS

With CONSULT

  1. Ignition switch ON.

  2. Perform “MAC Diagnosis” mode of “ENGINE” using CONSULT.

Is DTC U2141 detected?

YES>>

Proceed to Diagnosis Procedure.

NO-1>>

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

NO-2>>

Confirmation after repair: INSPECTION END

U2141–87

CHECK DTC PRIORITY

If DTC U2141 is displayed with DTC P0607, first perform the confirmation procedure (trouble diagnosis) for DTC P0607.

Is DTC P0607 detected?

YES>>

Proceed to DTC Description.

NO>>

GO TO 2.

PRECONDITIONING

If DTC Confirmation Procedure has been previously conducted, always perform the following procedure before conducting the next test.

  1. Ignition switch OFF and wait at least 10 seconds.

  2. Ignition switch ON.

  3. Ignition switch OFF and wait at least 10 seconds.

TESTING CONDITION:

Before performing the following procedure, confirm that battery voltage is 11 V or more at idle.

>>

GO TO 3.

PERFORM DTC CONFIRMATION PROCEDURE

  1. Ignition switch ON and wait at least 3 seconds.

  2. Check 1st trip DTC.

Is DTC U2141 detected?

YES>>

Proceed to Diagnosis Procedure.

NO-1>>

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

NO-2>>

Confirmation after repair: INSPECTION END

DTC Diagnosis Procedure

U2141–57

CHECK DTC PRIORITY

If DTC U2141 is displayed with DTC U1327, first perform the trouble diagnosis for DTC U1327.

Is DTC U1327 detected?

YES>>

Proceed to DTC Description.

NO>>

GO TO 2.

CHECK MAC DIAGNOSIS

With CONSULT

  1. Ignition switch ON.

  2. Perform “MAC Diagnosis” mode of “ENGINE” using CONSULT.

Is DTC U2141 detected with DTC U214F, U2152(with ProPILOT),U2175 and U2176 at the same time?

YES>>

all DTC codes are detected at the same time: Replace ECM. Refer to ECM : Removal & Installation.

NO>>

all DTC codes are not detected at the same time: GO TO 3.

CHECK CAN COMMUNICATION SYSTEM

Perform trouble diagnosis of CAN communication system. Refer to Trouble Diagnosis Flow Chart.

>>

INSPECTION END

U2141–87

CHECK DTC PRIORITY

If DTC U2141 is displayed with DTC P0607, first perform the confirmation procedure (trouble diagnosis) for DTC P0607.

Is DTC P0607 detected?

YES>>

Proceed to DTC Description.

NO>>

Perform the trouble diagnosis for CAN communication system. Refer to Trouble Diagnosis Flow Chart.

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