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Service bulletin PI0775

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 id10044245
Published by NHTSA2012-05-24
Manufacturer's numberPI0775
Manufacturer's date2012-07-01
NHTSA componentELECTRICAL SYSTEM:12V/24V/48V BATTERY

NHTSA's summary

MACK TRUCKS: THE BATTERY DISCONNECT SWITCH MAY HAVE BEEN BYPASSED ON SOME VEHICLES. THE RIGHT HAND POSITIVE CABLE MAY HAVE BEEN ROUTED DIRECTLY TO THE STARTER AND NOT TO THE BATTERY DISCONNECT SWITCH. *JS UPATED 08/08/2012 *JS

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, 12-volt battery

Vehicles listed
MACK CHU2006 to 2010
MACK PINNACLE (CHU)2011 to 2012

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