Nissan Rogue (T33) 2021-Present Service Manual: U2176 Can Comm Circuit

Nissan Rogue (T33) 2021-Present Service Manual / Engine :: Engine Control System / Kr15ddt :: Dtc/circuit Diagnosis / U2176 Can Comm Circuit

DTC Description

DTC DETECTION LOGIC

DTC

CONSULT screen terms

(Trouble diagnosis content) 		DTC detection condition
U2176 57

CAN comm err (Intelligent Key)

[CAN comm err (Intelligent Key)] 		Diagnosis condition —
Signal (terminal) —
Threshold MAC communication error
Diagnosis delay time —

POSSIBLE CAUSE

  • MAC communication error

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

  • ECM

FAIL-SAFE

Not applicable

DTC CONFIRMATION PROCEDURE

CHECK DTC PRIORITY

If DTC U2176 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 U2176 detected?

YES>>

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

CHECK DTC PRIORITY

If DTC U2176 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

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

Is DTC U2176 detected with DTC U214F 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

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