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Service bulletin 070064

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 id10023668
Published by NHTSA2008-01-24
Manufacturer's number070064
Manufacturer's date2007-11-16
NHTSA componentELECTRICAL SYSTEM:SOFTWARE

NHTSA's summary

CUMMINS - DESCRIBES AN ISSUE FOUND IN ISL CM2150 URBAN BUS CALIBRATIONS. STATIONARY REGENERATION WILL NOT ACTIVATE WITH FAULT CODE 1921 ACTIVE. MAKE AND MODEL YEARS UNKNOWN. *NJ

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, Software

Vehicles listed
UNKNOWN UNKNOWN

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