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Service bulletin C0819

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 id10025863
Published by NHTSA2008-09-11
Manufacturer's numberC0819
Manufacturer's date2008-05-30
NHTSA componentELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING:ENGINE

NHTSA's summary

CUMMINS: ORION VOLTAGE REGULATOR CAMPAIGN. ADDRESSING A FUEL LIFT PUMP VOLTAGE REGULATOR ISSUE. AUTHORIZES REPAIR SHOP TO REMOVE CUMMINS VOLTAGE REGULATOR FROM WIRING HARNESS AND INSTALL SEPARATE 12-VDC POWER SOURCE FOR ORION BUS APPLICATIONS WITH ISB CM850 ENGINES AND 24-VDC ELELCTRICAL SYSTEMS. *PE

The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

Components

Electrical system, Engine

Vehicles listed
CUMMINS 6 CTA ENGINE1988 to 1991
CUMMINS 6CTAB83
CUMMINS AIR COMPRESSOR
CUMMINS B
CUMMINS B GAS PLUS ENGINE2001 to 2003
CUMMINS BG6
CUMMINS C
CUMMINS C GAS PLUS ENGINE2001 to 2003
CUMMINS C SERIES1988
CUMMINS C8.3
CUMMINS C8.3G
CUMMINS CPL0893
CUMMINS CUMMINS
CUMMINS CUMMINS1988 to 1989
CUMMINS CUMMINS1991
CUMMINS CUMMINS1994 to 1998
CUMMINS DIESEL ENGINE1991
CUMMINS ELECTRONIC CONTROL MODULE
CUMMINS ENGINE
CUMMINS ICON
CUMMINS INSITE 6
CUMMINS ISB
CUMMINS ISB 6 CYLINDER1998 to 2004
CUMMINS ISB-02
CUMMINS ISC
CUMMINS ISL
CUMMINS ISL CM850
CUMMINS ISM
CUMMINS ISM CM876
CUMMINS ISX
CUMMINS K
CUMMINS KV
CUMMINS L10
CUMMINS L10G
CUMMINS M11
CUMMINS N14
CUMMINS NH
CUMMINS NT
CUMMINS QSK
CUMMINS QST
CUMMINS QSX15
CUMMINS SIGNATURE
CUMMINS ONAN 3.2 KW QD

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