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Service bulletin K00539104

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 id10152931
Published by NHTSA2019-02-19
Manufacturer's numberK00539104
Manufacturer's date2018-12-20
NHTSA componentELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL

NHTSA's summary

V-MAC - Speedometer Not working After Reprograming

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Electrical system, Instrument cluster

Vehicles listed
MACK CH
MACK CHN2002, 2003, 2004, 2005, 2006, 2007, 2008
MACK CL
MACK CT2004 to 2008
MACK CV
MACK CX
MACK CXN2002 to 2008
MACK DM
MACK LE
MACK MR
MACK RB
MACK RD

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

Other bulletins for the same vehicles and component
KC-5292022-03-03. Service bulletin. System Date And Time, Information; Diagnostic Tool ( J-Pro, Premium Tech Tool ( PTT ) ) Displays Incorrect Timestamp For Diagnostic Trouble Code ( DTC ) / Fault Code Occurrences, Possible Data Link Codes Present - US07 And Newer Emissions, Common Mod