On the vehicles affected by
Prevost technical service bulletin WB14-44B for 2013-2015 Prevost H3-45, 2013-2015 Prevost H3-41 and 2014-2015 Prevost H3-VIP and others.
- Bulletin number
- WB14-44B
- Component
- Equipment: electrical
- Summary
- On the vehicles affected by this bulletin, changing of VECU (Vehicle Electronic Control Unit) parameters is necessary. This update must be carried out by qualified technicians. Make an appointment with your nearest Prevost Service Center. ELECTRIC AIR DRYER CUT-OFF PRESSURE & DESICCANT REGENERATION FACTOR This update involves all OBD13 & GHG14 vehicles in service (refer to Application table for involved vehicles range). This update will reduce air dryer cut-off pressure from 144 psi to 140 psi and extend desiccant regeneration time, thus preventing presence of water in the accessory tank.
Vehicles covered
- Prevost H3-45 2013-2015 201320142015
- Prevost H3-41 2013-2015 201320142015
- Prevost H3-VIP 2014-2015 20142015
- Prevost X3 2014-2015 20142015
- Prevost X3-45 Vip 2014-2015 20142015
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