Nissan Rogue (T33) 2021-Present Service Manual: Dtc/circuit Diagnosis :: U2148-87 Can Comm Err (brake Control Unit)

Nissan Rogue (T33) 2021-Present Service Manual / Electrical & Power Control :: Body Control System / Dtc/circuit Diagnosis :: U2148-87 Can Comm Err (brake Control Unit)

DTC Description

DESCRIPTION

CAN (Controller Area Network) is a serial communication line for real time applications. It is an on-Nissan Ariya vehicle multiplex communication line with high data communication speed and excellent error detection ability. Modern Nissan Ariya vehicle is equipped with many electronic control unit, and each control unit shares information and links with other control units during operation (not independent). In CAN communication, control units are connected with 2 communication lines (CAN-High line, CAN-Low line) allowing a high rate of information transmission with less wiring. Each control unit transmits/receives data but selectively reads required data only. CAN Communication Signal Chart. Refer to CAN Communication Signal Chart.

DTC DETECTION LOGIC

DTC No.

CONSULT screen items

(Trouble diagnosis content) 		DTC Detection Condition
U2148–87

CAN comm err (brake control unit)

[CAN communication error (brake control unit)] 		Diagnosis condition Ignition switch is ON.
Signal (terminal) CAN communication signal
Threshold BCM cannot communicate CAN communication signal.
Diagnosis delay time 2 seconds or more.

POSSIBLE CAUSE

CAN communication system

FAIL-SAFE

—

DTC CONFIRMATION PROCEDURE

CHECK SELF-DIAG RESULT

CONSULT

  1. Ignition switch ON and wait for 2 seconds or more.

  2. Select “Self diagnosis result” mode of “BCM”.

Is DTC 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 CAN COMMUNICATION SYSTEM

Check CAN communication system. Refer to Trouble Diagnosis Flow Chart.

>>

Inspection End.

    Dtc/circuit Diagnosis. U2141-87 Can Comm Err (tcm)
    DTC Description DESCRIPTIONCAN (Controller Area Network) is a serial communication line for real time applications. It is an on-Nissan Ariya vehicle multiplex communication line...
    Dtc/circuit Diagnosis. U2152-57 Can Comm Err (adas Control Unit)
    DTC Description DTC DETECTION LOGIC DTC No. CONSULT screen items (Trouble diagnosis content) DTC Detection Condition U2152-57 CAN comm err (ADAS control unit) [Control area netw...

    Other materials:

    Engine oil
    Checking engine oil level Park the vehicle on a level area and apply the parking brake. Warm up the engine to operating temperature. Shut the engine off and wait at least 10 minutes. Remove the dipstick, wipe it clean, then fully reinsert it. Remove the dipstick again and check the oil le ...

    P15b0 Sub Starter & Generator
    DTC Description DTC DETECTION LOGIC DTC CONSULT screen terms (Trouble diagnosis content) DTC detection condition P15B0 00 Sub starter & generator (Sub starter & generator) Diagnosis condition — Signal (terminal) — Threshold When ECM detects an ...

    Symptom Diagnosis. Squeak and Rattle Trouble Diagnoses
    Work Flow CUSTOMER INTERVIEWInterview the customer if possible, to determine the conditions that exist when the noise occurs. Use the Diagnostic Worksheet during the interview to document the facts and conditions when the noise occurs and any customer comments. Refer to Diagnostic Worksheet ...