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Service bulletin PC1020

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 id10189654
Published by NHTSA2021-04-02
Manufacturer's numberPC1020
Manufacturer's date2021-03-17
NHTSA componentSERVICE BRAKES, AIR

NHTSA's summary

brakes standard repair

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

Vehicles listed
NOVA BUS LFS2018, 2019
NOVA BUS LFS ARTIC2016, 2017, 2018, 2019 (the catalog's model; the bulletin names a series or trim of it)

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

Recalls for the same vehicles and component
26V3550002026-06-02. SERVICE BRAKES, AIR:SUPPLY:LOW PRESSURE WARNING:SWITCH
20244262024-07-25. Brakes
20244252024-07-25. Brakes
24V5590002024-07-25. SERVICE BRAKES, AIR:DISC:CHAMBER
24V5580002024-07-25. SERVICE BRAKES, AIR:DISC:CHAMBER
20182572018-05-14. Brakes
18V2990002018-05-07. SERVICE BRAKES, AIR:DISC:CALIPER

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
BS4757E2022-05-05. Service bulletin. Replace the 50 PSI interlock pressure regulator for a 65 PSI interlock pressure regulator
BS5182E2021-10-05. Service bulletin. Brake chambers may fail and cause the drive axle brakes to overheat.
BS5119E2021-08-02. Service bulletin. Brake chambers may fail and cause the drive axle brakes to overheat
ft50682021-05-04. Service bulletin. Hydraulic Tank Rubber Mount Bushing Failures
FT49292020-09-01. Service bulletin. Curb side front wheel air brake hose rubbing the inside of the wheel. FT4929 to inspect and fix buses.
FT4690R12019-11-18. Service bulletin. Hydraulic level sensor defective
LI4388ER12019-07-08. Service bulletin. Cummins code 1242 for throttle pedal sensor circuit
LI4462ER12019-07-08. Service bulletin. Cummins code 1242 for throttle pedal sensor circuit
LI4512E2019-01-07. Service bulletin. Brake wear signal reads 0% or fluctuates
BS4051ER32017-10-12. Service bulletin. Interlock brake is activated when the B-bus network is disconnected or lost.