Electrical system: alternator/generator/regulator (Mack)
Vehicle recall 12V-096. NHTSA received MACK TRUCKS, INC’s report on Mar 8, 2012.
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The short answer
NHTSA received MACK TRUCKS, INC’s report on Mar 8, 2012. Copied from NHTSA on Oct 27, 2026.
Every line below is in NHTSA’s own words, with its source beside it.
What’s wrong with it?
IN THE EVENT OF AN ELECTRICAL SHORT, A VEHICLE FIRE MAY RESULT.
MACK IS RECALLING CERTAIN MODEL YEAR 2010-2012 LEU AND MODEL YEAR 2011-2012 MRU VEHICLES, MANUFACTURED FROM MAY 14, 2009, THROUGH OCTOBER 31, 2011, AND BUILT TO OPERATE ON COMPRESSED NATURAL GAS.
ON THESE VEHICLES THE ALTERNATOR GROUND CABLE RUNS DIRECTLY TO THE STARTER, WHICH DEFEATS THE CIRCUIT PROTECTION.
NHTSA, Recalls flat file. Released Oct 27, 2026. Updated daily.
- NHTSA’s part: Electrical system: alternator/generator/regulator.
What should you do?
MACK WILL NOTIFY OWNERS, AND DEALERS WILL RELOCATE THE ALTERNATOR GROUND CABLE TO THE ENGINE GROUND STUD. THIS SERVICE WILL BE PERFORMED FREE OF CHARGE. THE RECALL BEGAN ON APRIL 19, 2012. OWNERS MAY CONTACT MACK TRUCKS AT 1-800-866-1177.
NHTSA, Recalls flat file. Released Oct 27, 2026. Updated daily.
- How to reach the firm: MACKS RECALL NUMBER IS SC0360.CUSTOMERS MAY CONTACT THE NATIONAL HIGHWAY TRAFFIC SAFETY ADMINISTRATION’S VEHICLE SAFETY HOTLINE AT 1-888-327-4236 (TTY: 1-800-424-9153); OR GO TO HTTP://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 318 vehicles potentially involved, across everything this recall names.
NHTSA, Recalls flat file. Released Oct 27, 2026. Updated daily.
- Mack LEUand 2010, 2011 and 2012, before the model years listed here
- Mack MRUand 2011 and 2012, before the model years listed here
Who is recalling it?
- Made by MACK TRUCKS, INC.
NHTSA, Recalls flat file. Released Oct 27, 2026. Updated daily.
What the record doesn’t say
- NHTSA’s recall file doesn’t say whether anyone was hurt.
- Whether one vehicle or seat has been fixed: only its maker, or NHTSA’s lookup with a VIN, can say.
- This recall names only model years before 2015, which have no pages here. Your VIN, at NHTSA, says which recalls are open on a vehicle.
- 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 27, 2026 and checked Oct 27, 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 27, 2026.