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Service bulletin AR877

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 id10180926
Published by NHTSA2020-10-16
Manufacturer's numberAR877
Manufacturer's date2020-10-07
NHTSA componentELECTRICAL SYSTEM

NHTSA's summary

AR877-RPTA Ramp Relay Conversion-Affects only customer 2020 RPTA Spirit of Equess (SOE) buses 4146-4151.Complaint-24 volt feedback to IO module from ramp. Cause-Engineering failed to convert 24 volts to 12 volt signal to IO module. Correction-Install new relay harness, part # 2010205. Labor time is .6 per bus.

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

Vehicles listed
ARBOC SPIRIT OF EQUESS2020

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