Service bulletins for the 2020 Infiniti QX50
A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.
154 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
Only bulletins with component: Brakes are shown. Show all
| ITB10-074B | 2023-04-04. Service bulletin. SERVICE BRAKES. ABS/VDC CAN DIAGNOSIS INFORMATION This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin. |
|---|---|
| ITB20-025 | 2020-12-08. Service bulletin. SERVICE BRAKES. 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: • B2724-23 (SONAR CONTROL UNIT - SONAR ECU INTERNAL FAILURE [UNDER VOLTAGE]) • 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. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.