Nissan Rogue (T33) 2021-Present Service Manual: U214f-57 Mac Comm Error (bcm)

Nissan Rogue (T33) 2021-Present Service Manual / Cruise Control & Driver Assistance :: Driver Assistance System / Adas Control Unit :: Dtc/circuit Diagnosis / U214f-57 Mac Comm Error (bcm)

Without Propilot Assist 2.1

DTC Description

DTC DETECTION LOGIC

DTC

CONSULT screen terms

(Trouble diagnosis content) 		DTC detection condition
U214F 57

CAN comm err (BCM)

[Controller area network communication error (Body control module)] 		Diagnosis condition —
Signal (terminal) —
Threshold MAC communication error
Diagnosis delay time —

POSSIBLE CAUSE

  • MAC communication error

  • ADAS control unit 2used in other vehicles is installed in the Nissan Ariya vehicle

  • ADAS control unit 2

  • BCM

FAIL-SAFE

The following systems are canceled.

  • Vehicle-to-vehicle distance control mode

  • Conventional (fixed speed) cruise control mode

  • Steering wheel assistance function

  • AEB

  • RAB

  • I-FCW

  • LDW

  • I-LI

  • BSW

  • I-BSI

  • RCTA

  • TSR

  • I-DA

CONFIRMATION PROCEDURE

CHECK DTC PRIORITY

If DTC “U214F-57” is displayed with DTC “U1327-52” or “U1327-54”, first perform the trouble diagnosis for DTC “U1327-52” or “U1327-54”.

Is DTC “U1327-52” or “U1327-54” detected?

YES>>

Perform diagnosis of applicable. Refer to the following.

  • U1327-52: DTC Description

  • U1327-54: DTC Description

NO>>

GO TO 2.

CHECK MAC DIAGNOSIS

With CONSULT

  1. Ignition switch ON.

  2. Perform “MAC Diagnosis” mode of “ICC/ADAS 2” using CONSULT.

Is DTC “U214F-57” detected?

YES>>

Refer to DTC Diagnosis Procedure.

NO-1>>

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

NO-2>>

Confirmation after repair: INSPECTION END

With Propilot Assist 2.1

DTC Description

DTC DETECTION LOGIC

DTC

CONSULT screen terms

(Trouble diagnosis content) 		DTC detection condition
 
U214F 57 CAN communication error (BCM) Diagnosis condition —
Signal (terminal) —
Threshold MAC communication error
Diagnosis delay time —

POSSIBLE CAUSE

  • MAC communication error

  • ADAS control unit 2used in other vehicles is installed in the Nissan Ariya vehicle

  • ADAS control unit 2

  • BCM

FAIL-SAFE

The following systems are canceled.

  • Vehicle speed & vehicle-to-vehicle control function

  • Lane keep function*1

  • Lane keep function*2

  • Lane change support function

  • Overtaking support function

  • Route driving support function

  • FEB

  • RAB

  • PFCW

  • LDP

  • Blind Spot Intervention

  • TSR

  • DAA

*1: ProPILOT Assist 2.1 display is green

*2: ProPILOT Assist 2.1 display is blue

CONFIRMATION PROCEDURE

CHECK DTC PRIORITY

If DTC “U214F-57” is displayed with DTC “U1327-52” or “U1327-54”, first perform the trouble diagnosis for DTC “U1327-52” or “U1327-54”.

Is DTC “U1327-52” or “U1327-54” detected?

YES>>

Perform diagnosis of applicable. Refer to the following.

  • U1327-52: DTC Description

  • U1327-54: DTC Description

NO>>

GO TO 2.

CHECK MAC DIAGNOSIS

With CONSULT

  1. Ignition switch ON.

  2. Perform “MAC Diagnosis” mode of “ICC/ADAS 2” using CONSULT.

Is DTC “U214F-57” detected?

YES>>

Refer to DTC Diagnosis Procedure.

NO-1 >>

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

NO-2 >>

Confirmation after repair: INSPECTION END

DTC Diagnosis Procedure

CHECK DTC PRIORITY

If DTC “U214F-57” is displayed with DTC “U1327-52” or “U1327-54”, first perform the trouble diagnosis for DTC “U1327-52” or “U1327-54”.

Is DTC “U1327-52” or “U1327-54” detected?

YES>>

Perform diagnosis of applicable. Refer to the following.

  • U1327-52: DTC Description

  • U1327-54: DTC Description

NO>>

GO TO 2.

CHECK MAC DIAGNOSIS

With CONSULT

Perform “MAC Diagnosis” mode of “ICC/ADAS 2” using CONSULT.

Is DTC “U214F-57” detected with DTC “U2175-57” (with around view monitor control unit), “U2176-57”, “U2440-57”, “U244F-57”, “U2465-57” (with sonar system) and “U2476-57” at the same time?

YES (all DTC codes are detected at the same time)>>

Replace the ADAS control unit 2. Refer to Removal and Installation.

NO (all DTC codes are not detected at the same time)>>

GO TO 3.

CHECK CAN DIAGNOSIS

With CONSULT

Perform "CAN Diag".

Is the inspection result normal?

YES>>

Contact Techline and report the Nissan Ariya vehicle condition.

NO>>

Repair or replace root cause.

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