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Service bulletin 90547

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10236847
Published by NHTSA2023-05-30
Manufacturer's number90547
Manufacturer's date2023-04-25
NHTSA componentSERVICE BRAKES, HYDRAULIC:POWER ASSIST:ELECTRIC:CONTROL MODULE; SERVICE BRAKES, HYDRAULIC:POWER ASSIST:ELECTRIC:CONTROL MODULE:SOFTWARE; SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP:CONTROL UNIT/MODULE; SERVICE BRAKES, HYDRAULIC

NHTSA's summary

HYDRAULIC CONTROL UNIT - ANTI-LOCK BRAKE SYSTEM : UNITÉ DE COMMANDE HYDRAULIQUE - SYSTÈME DE FREINAGE ANTIBLOCAGE : UNIDAD DE CONTROL HIDRAULICA - SISTEMA DE FRENOS ANTI-BLOQUEO

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Brakes, Anti-lock brakes

Vehicles listed
FCA FCA

Listing a model year does not mean every vehicle of it is concerned: the document says which.