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Service bulletin CSR 3093

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 id10239078
Published by NHTSA2023-07-12
Manufacturer's numberCSR 3093
Manufacturer's date2023-07-11
NHTSA componentELECTRICAL SYSTEM; SERVICE BRAKES; EQUIPMENT

NHTSA's summary

Altec Industries, Inc. has received notification from Navistar, Inc. that a condition exists relating to motor vehicle safety, compliance, or emissions in a vehicle you possess that is equipped with Altec equipment. Navistar has decided that a defect which relates to motor vehicle safety exists in certain 2017 thru 2023 CV® series trucks built 09/18/2017 thru 03/21/2023 with feature code 04240 or 04190 (Brake system, hydraulic with Hydromax brake booster). The brake pressure switch may allow brake fluid to seep past the diaphragm seal into the brake pressure switch electrical connector and associated fuse which can short the switch and/or fuse.

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, Electrical system, Equipment and accessories

Vehicles listed
ALTEC AERIAL DEVICE2019 to 2022

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