Service bulletin AR863

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)
Type	Service bulletin
NHTSA id	10160874
Published by NHTSA	2019-06-07
Manufacturer's number	AR863
Manufacturer's date	2018-10-30
NHTSA component	SERVICE BRAKES, HYDRAULIC; ELECTRICAL SYSTEM

NHTSA's summary

AR863-ARBOC 2016, 2017, 2018 SOL Shift Inhibit Add For Service Brake-Complaint-Customer can shift the transmission into drive or reverse without touching the service brake "brake pedal". Cause-FCCC Chassis Design. Correction-Electrical modifications and programming changes to provide a brake transmission shift interlock. Affects 2016, 2017 and 2018 Spirit of Liberty (SOL) buses. Will cover 1 hour labor.

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

Vehicles listed
ARBOC SPIRIT OF LIBERTY	2016, 2017, 2018

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

Recalls for the same vehicles and component
20V335000	2020-06-09. ELECTRICAL SYSTEM:12V/24V/48V BATTERY:CABLES; ELECTRICAL SYSTEM:WIRING:INTERIOR/UNDER DASH
16V950000	2016-12-23. ELECTRICAL SYSTEM:SOFTWARE

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
AR875	2020-06-25. Service bulletin. Complaint: 30A Recessed Breaker not secured with top & bottom bolt through firewall Cause: Hole is cut too large Correction: R/R Circuit Breaker with a Mounting Plate
AR829	2016-11-10. Service bulletin. COMPLAINT-CUSTOMER DOES NOT WANT THE E-BRAKE TO ACTIVATE WHEN THE ENTRY DOOR IS OPENED. CAUSE-ENGINEER DESIGN. CORRECTION-WITH RAMP DEPLOY OR KNEEL SWITCH ACTIVATION, INTERLOCK WILL APPLY E-BRAKE WHICH ALLOWS USE OF THE DOOR WITHOUT A LOCKING MECHANISM. AFFECTS ONLY ARBOC SO-2086, 2142, 2473, 2474, 2515, 2516, 2517, 2523, 2524, 2539, 2545, 2546, 2551, 2565, 2585, 2599, 2604, 2647, 2648, 2578, 2644, 2586, 2587.