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November 23, 2021 Service bulletin

Engine control module (ECM) software update

Prevost technical service bulletin SR19-31C for 2018-2020 Prevost H3-45, 2019-2020 Prevost H3-45 Vip and 2017-2020 Prevost X3 and others.

Bulletin number
SR19-31C
Component
Equipment
Summary
ENGINE CONTROL MODULE (ECM) SOFTWARE UPDATE - Engine Cooling Strategy in High Altitude Operation Revision C: VIN range in application box rearranged for H3 coaches

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