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Cummins Hdzaa Technical Service Bulletins


Latest Technical Service Bulletins of Cummins Hdzaa

Cummins Hdzaa engine and engine cooling TSB (Bulletin TSB230013)

Bulletin Date: Jan. 24, 2023
Component: Engine and engine cooling
Bulletin Summary: This technical service bulletin was issued for a motor high temperature error can display on the instrument cluster. Root cause: when in the closed position the oem coolant valve restricts coolant flow through the high voltage propulsion mo
Vehicles covered in this TSB:
Cummins Hdzaa.

Cummins Hdzaa gasoline fuel system TSB (Bulletin TSB220228-112820)

Bulletin Date: Nov. 28, 2022
Component: Gasoline fuel system
Bulletin Summary: This technical service bulletin describes customer complaint of no start. This is due to contaminants in the fuel system clogging the injector which causes no fuel to enter the cylinder and preventing the generator from starting.
Vehicles covered in this TSB:
Cummins Hdzaa.

Cummins Hdzaa engine and engine cooling TSB (Bulletin TSB180178-121720)

Bulletin Date: Dec. 17, 2018
Component: Engine and engine cooling
Bulletin Summary: This technical service bulletin describes the verification and resolution of smoke on start-up of the generator set caused by wet stacking, or an incomplete burning of the fuel, when they are run atlittle or no load. Putting asmall load on
Vehicles covered in this TSB:
Cummins Hdzaa.