Electrical system (Mack)
Vehicle recall 14V-078. NHTSA received Mack Trucks, Inc.’s report on Feb 21, 2014.
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The short answer
NHTSA received Mack Trucks, Inc.’s report on Feb 21, 2014. Copied from NHTSA on Oct 21, 2026.
Every line below is in NHTSA’s own words, with its source beside it.
What’s wrong with it?
Deposits of contaminants may result in the circuits being bridged, creating a high resistance short, increasing the risk of a fire.
Mack Trucks, Inc.
(Mack) notified the agency on February 20, 2014, that they are recalling certain model year 2010-2012 CHU, CXU, GU and TD vehicles manufactured from June 16, 2009, through July 8, 2011.
While continuing to research the scope of the issue, Mack expanded the recall on November 18, 2014 to include certain model year 2008-2009 and 2013-2014 CHU, CXU, GU and TD vehicles manufactured from June 16, 2009, through July 8, 2011.
Having completed its investigation, Mack once again expanded the recall during February 2015 to include an additional 53,780 vehicles from model years 2007 and 2015.
The recall now covers model year 2007-2015 includes CHU, CXU, GU and TD vehicles produced October 13, 2006, through October 3, 2014.
In the affected vehicles, the Electronic Power Distribution Module (EPDM) may be contaminated from water leaks in, and around, the windshield.
If exposed to water leaks, contaminants such as road salts may deposit on the EPDM.
NHTSA, Recalls flat file. Released Oct 21, 2026. Updated daily.
- NHTSA’s part: Electrical system.
What should you do?
Mack has notified owners, and dealers will inspect the EPDM. If contamination has occurred, dealers will replace the EPDM and address the leak, free of charge. Owners of model year 2010-2012 CHU, CXU, GU and TD vehicles were initially notified April 24, 2014. Owners affected by the recall expansions were notified in February 2015. Owners may contact Mack Trucks at 1-336-393-2000. Mack’s number for this recall is SC0375.
NHTSA, Recalls flat file. Released Oct 21, 2026. Updated daily.
- How to reach the firm: Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.safercar.gov.
- Check a vehicle by its VIN at NHTSA: the recalls still open on it are listed there.
Which ones are recalled?
NHTSA counts 70,208 vehicles potentially involved, across everything this recall names.
Each model year opens its own page: every recall naming it, its owner complaints and its crash ratings.
NHTSA, Recalls flat file. Released Oct 21, 2026. Updated daily.
- Mack Pinnacle (CHU)and 2011 and 2012, before the model years listed here
- Mack GUand 2007, 2008, 2009, 2010 and 2011, before the model years listed here
- Mack Granite (GU)2015and 2012, 2013 and 2014, before the model years listed here
- Mack Pinnacle (CXU)2015and 2011, 2012, 2013 and 2014, before the model years listed here
- Mack CHU2015and 2007, 2008, 2009, 2010, 2013 and 2014, before the model years listed here
- Mack TD2015and 2007, 2008, 2009, 2010, 2011, 2012, 2013 and 2014, before the model years listed here
- Mack CXUand 2008, 2009 and 2010, before the model years listed here
Who is recalling it?
- Made by Mack Trucks, Inc..
NHTSA, Recalls flat file. Released Oct 21, 2026. Updated daily.
What the record doesn’t say
- NHTSA’s recall file doesn’t say whether anyone was hurt. Owners’ complaints are counted on each vehicle’s page.
- Whether one vehicle or seat has been fixed: only its maker, or NHTSA’s lookup with a VIN, can say.
- How many have been returned or fixed isn’t in the notice.
Hearth Record wrote these lines.
Sources
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National Highway Traffic Safety Administration, Recalls flat file (FLAT_RCL_POST_2010).
Released Oct 21, 2026 and checked Oct 21, 2026. Updated daily. Public domain (U.S. Government work).
Vehicle, car seat, tire and vehicle equipment recalls, owner complaints and crash ratings are from the National Highway Traffic Safety Administration (NHTSA). Copied on Oct 21, 2026.