Nissan Sentra B18 (2020-2025) Service Manual / Driver Information & Multimedia / Sonar System :: Dtc/circuit Diagnosis / U215b Can Comm Err (ipdm E/r)

Nissan Sentra B18 (2020-2025) Service Manual: U215b Can Comm Err (ipdm E/r)

Dtc Description

DTC Description

DTC DETECTION LOGIC

DTC No.	CONSULT screen terms (Trouble diagnosis content)	DTC detection condition
U215B–87	CAN comm err (IPDM E/R) [CAN communication error (IPDM E/R)]	Diagnosis condition	Ignition switch ON
		Signal (terminal)	CAN communication signal
		Threshold	Communication error
		Diagnosis delay time	2 seconds or more

POSSIBLE CAUSE

CAN communication system (IPDM E/R)

FAIL-SAFE

Obstacle detection is disabled

Confirmation Procedure

DTC CONFIRMATION PROCEDURE
1. CONSULT
  1. Ignition switch ON.
  2. Ignition switch OFF and wait at least 30 seconds.
  3. Ignition switch ON and wait at least 2 seconds or more.
  4. Select “Self Diagnostic Result” mode of “SONAR”.
Is DTC U215B–87 detected?
YES>>
Refer to DTC Diagnosis Procedure.
NO>>
To check malfunction symptom before repair: Refer to Intermittent Incident.
NO>>
Confirmation after repair: Inspection End.

Dtc Diagnosis Procedure

DTC Diagnosis Procedure

PERFORM DTC CONFIRMATION PROCEDURE AGAIN
1. CONSULT
  1. Ignition switch ON.
  2. Erase DTC.
  3. Perform DTC confirmation procedure again. Refer to DTC Confirmation Procedure.
Is DTC U215B–87 detected?
YES>>
Perform the trouble diagnosis for CAN communication system. Refer to Trouble Diagnosis Flow Chart.
NO>>
Inspection End.

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