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Service bulletin TSB120158-111014

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 id10089266
Published by NHTSA2017-01-20
Manufacturer's numberTSB120158-111014
Manufacturer's date2014-11-11
NHTSA componentEXTERIOR LIGHTING:BRAKE LIGHTS; ENGINE

NHTSA's summary

THIS TECHNICAL SERVICE BULLETIN DESCRIBES THE VERIFICATION AND RESOLUTION OF FAULT CODE 4293 OR 4294 BECOMING ACTIVE WITH SPECIFIC CALIBRATIONS. THESE FAULTS MAY BECOME ACTIVE IF THE VEHICLE IS NOT EQUIPPED WITH THE ENGINE BRAKE LAMP FEATURE.

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

Engine, Lighting, Brake lights

Vehicles listed
CUMMINS ISB6.7
CUMMINS ISC8.3
CUMMINS ISL9

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