INFINITI

ITB20-025

Manufacturer communications

Publication date: 2020-11-10
Received by NHTSA: 2020-12-08
NHTSA record numbers: 10183965

Manufacturer summary

Original wording in English

DTC B2724-23 AND/OR C1B56-04 STORED, AND/OR RAB ERROR MESSAGE OR WARNING IF YOU CONFIRM One or both of the following DTCs are stored: ï‚· B2724-23 (SONAR CONTROL UNIT - SONAR ECU INTERNAL FAILURE [UNDER VOLTAGE]) ï‚· C1B56-04 (SONAR CIRCUIT - SYSTEM INTERNAL MALFUNCTION) NOTE: A RAB warning may appear in the vehicle information display. ACTION Reprogram the Sonar Control Unit, if applicable.

NHTSA manufacturer communications ↗

Reported code forms

B2724 C1B56

Manufacturer wording

Source wording can vary by vehicle and suffix. It is shown as written, not as a universal diagnosis.

InfinitiB2724-23

SONAR CONTROL UNIT - SONAR ECU INTERNAL FAILURE [UNDER VOLTAGE]

NHTSA 10183965

InfinitiC1B56-04

SONAR CIRCUIT - SYSTEM INTERNAL MALFUNCTION

NHTSA 10183965

Check vehicle applicability

A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.

Make	Model	Model year
Infiniti	QX50	2020

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