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Service bulletin K26111730

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 id10152926
Published by NHTSA2019-02-19
Manufacturer's numberK26111730
Manufacturer's date2018-12-18
NHTSA componentEQUIPMENT:ELECTRICAL

NHTSA's summary

V-MAC III - Smart Fan Will Not Disengage

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

Equipment and accessories

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 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-614-Ver42023-06-05. Service bulletin. CBR: eWarranty To UCHP Labor Code ( SCC Code ) Crossover, Conversion Information For Use With Campaigns ( FI, PI ) And Recalls ( EC, SC ), Location On Trucks Dealer Portal ( TDP )
KC-6272022-06-07. Service bulletin. Premium Tech Tool ( PTT ) Training Materials And Support Tools
KC-5932022-05-05. Service bulletin. V-MAC - ABS Malfunction Lamp On - ( Eaton ABS Active Code 17-10 / Arvin Meritor Wabco Active Code 7-4 )
KC-732021-12-07. Service bulletin. Mack Chassis - Disabling The Driver ID; Removing the Driver ID Prompt - US07 To US14+OBD16 Emissions, Model Years 2008 To 2017
FSB 491-0322021-04-05. Service bulletin. Transmission Oil Cooler Hose, Replacement
K318223252020-01-13. Service bulletin. Mack Chassis - Differential Carrier Models CRD 125 And CRD 150 - New Differential Axle Seal Installation Tool; New Tool Required For New Input And Output Seal Installation
K010503032018-03-19. Service bulletin. Diagnostic Trouble Code ( DTC ) P0471 Illuminating The Malfunction Indicator Lamp (MIL) - US17 (GHG17, Common Rail Fuel System) Chassis ONLY
K043423272018-03-19. Service bulletin. Diagnostic Trouble Code ( DTC ) P0420 Illuminating The Malfunction Indicator Lamp (MIL) - US17 (GHG17, Common Rail Fuel System) Chassis ONLY