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Service bulletin FSB 271-002

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 id10082803
Published by NHTSA2016-10-18
Manufacturer's numberFSB 271-002
Manufacturer's date2013-12-06
NHTSA componentELECTRICAL SYSTEM; ELECTRICAL SYSTEM:SOFTWARE

NHTSA's summary

ON SOME MACK MODELS BUILT BETWEEN JANUARY 1, 2013 AND SEPTEMBER 13, 2013, MAY EXPERIENCE MULTIPLE COUNTS OF INACTIVE FAULTS: P113F-12, BUFFERED IDLE VALIDATION SWITCH WIRE – VECU SIDE, CIRCUIT SHORT TO BATTERY. P113F-11, BUFFERED IDLE VALIDATION SWITCH WIRE – VECU SIDE, CIRCUIT SHORT TO GROUND. THIS IS DUE TO A BUG IN THE SOFTWARE.

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

Trouble codes named

P113F

Vehicles listed
MACK CHU2014
MACK CXU2014
MACK GU2014
MACK LEU2014
MACK MRU2014
MACK TD2014

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