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May 20, 2021 Service bulletin

Transit bus HVAC software upgrade to improve performance of the Eberspaecher unit.

Proterra technical service bulletin SC-20-138 for 2018-2019 Proterra Catalyst.

Bulletin number
SC-20-138 (SC-20-138)
Component
Electrical system
Summary
Transit bus HVAC software upgrade to improve performance of the Eberspaecher unit.

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