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Service bulletin FS-2020-04

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 id10178706
Published by NHTSA2020-08-24
Manufacturer's numberFS-2020-04
Manufacturer's date2020-07-02
NHTSA componentELECTRICAL SYSTEM:WIRING:FUSES AND CIRCUIT BREAKERS; EQUIPMENT:APPLIANCE:AIR CONDITIONER

NHTSA's summary

During the review of the coolant sensor circuit in some buses, it was determined that the 10 Amp circuit breaker currently utilized in this circuit should be replaced with a 4 Amp circuit breaker.

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

Electrical system, Equipment and accessories, Heating and air conditioning, Wiring and fuses

Vehicles listed
GILLIG LOW FLOOR2016 to 2018

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