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Service bulletin SB-P10683

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 id10030386
Published by NHTSA2009-09-28
Manufacturer's numberSB-P10683
Manufacturer's date2009-06-10
NHTSA componentELECTRICAL SYSTEM; PARKING BRAKE

NHTSA's summary

MACK TRUCK: ELECTRONIC HAND THROTTLE FUNCTIONS REGARDLESS OF PARK BRAKE STATUS; IT HAS BEEN DETERMINED THAT THE ELECTRONIC HAND THROTTLE ON CERTAIN MRU AND LEU MODEL CHASSIS WILL FUNCTION WITH THE PARKING BRAKE DISENGAGED, THUS ALLOWING THE VEHICLE OPERATOR TO INCREASE ENGINE SPEED EVEN WITH THE PARKING BRAKES RELEASED. *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

Brakes, Electrical system, Parking brake

Vehicles listed
MACK LEU2008
MACK MRU2008

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