NHTSA vehicle safety data

2009 Mack CXU Recalls & Complaints

The 2009 Mack CXU has 3 NHTSA recall campaigns and 3 owner complaints on file as of November 3, 2026. Recall repairs are usually free at an authorized Mack dealer.

NHTSA recall and complaint data for the 2009 Mack CXU. Recall data is refreshed daily from NHTSA.

2009 Mack CXU owner complaints

Owners have filed 3 complaints with NHTSA about the 2009 Mack CXU, describing incidents dated September 23, 2010 to July 19, 2011.

Most-cited components

  • Structure 2 complaints
  • Trailer Hitches 2 complaints
  • Suspension 1 complaint

Newest complaints

  • ODI #10415848 · Filed

    ON TUESDAY, JULY 19 OF 2011, I OBSERVED THAT THE 5TH WHEEL BOLTS ON ABF UNIT NUMBER 19223 WERE LOOSE ENOUGH TO BE TURNED BY HAND. THE BOLTS ARE NOT BEING INTERFERED WITH BY THE HUCK RIVETS BELOW THEM. THE NUTS ARE PREVAILING TORQUE LOCK NUTS AND ARE NOT LOOSE ON THE BOLTS. THE BOLTS HAVE STRETCHED…

  • ODI #10358896 · Filed

    SOME OF THE 2008, MANY OF THE 2009, AND ALMOST ALL OF THE 2010 MODEL MACK TRUCKS USED BY ABF FREIGHT SYSTEM WERE BUILT AND DELIVERED WITH WEAK BOLTS HOLDING THE 5TH WHEEL COUPLER TO THE FRAME. ON 27 SEPT 2010, UNIT 19212 WAS IN THE SHOP FOR ROUTINE REPAIRS. A MECHANIC NOTICED THAT ALL OF THE BOLTS…

  • ODI #10357279 · Filed

    MY COWORKER WAS CHANGING THE OIL ON A 2009 MACK AND I HAPPENED TO NOTICE THAT THE 5TH WHEEL PLATE WAS SHIFTING AROUND ON THE FRAME. I APPLIED A BOX END WRENCH TO THE MOUNT BOLTS AND DISCOVERED THAT ALL TEN OF THE FASTENERS HOLDING THE 5TH WHEEL TO THE FRAME COULD BE TURNED EASILY USING ONE HAND…

Read all 3 complaints

NHTSA defect investigations

NHTSA's investigations file lists the 2009 Mack CXU in 1 investigation. A listed model year means only that an investigation names it; it says nothing about any particular vehicle. An open investigation is not a finding that a safety defect exists, and NHTSA can close one without a recall.

Open and recently closed NHTSA defect investigations

Water Leaks may Cause EPDM to Short-Circuit

NHTSA #14V078000 · Electrical System · NHTSA notice

Reported February 21, 2014 · Mack Trucks, Inc.

Potentially affected: 70,208 vehicles

Repair completion: 53.91% (latest rate the manufacturer reported to NHTSA; dataset updated November 3, 2026)

Mack campaign SC0375 · Owners notified April 24, 2014

Defect description

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.

Safety consequence

Deposits of contaminants may result in the circuits being bridged, creating a high resistance short, increasing the risk of a fire.

Manufacturer remedy

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.

Notes

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.

Low Beam Failure From Fog Light Short Circuit

NHTSA #12V434000 · Electrical System — Wiring — Fuses and Circuit Breakers · NHTSA notice

Reported September 6, 2012 · MACK TRUCKS, INC

Potentially affected: 3,864 vehicles

Mack campaign SC0365 · Owners notified November 14, 2012 · Vehicles built October 13, 2006 – December 23, 2009 (per NHTSA)

Defect description

Mack is recalling certain model year 2007-2010 CHU and CXU vehicles, manufactured from October 13, 2006, through December 23, 2009 and equipped with daytime running lights and fog lights. A short in the fog light circuit may cause the low beam headlight circuit to cut out.

Safety consequence

If the low beam headlights go out, the driver may lose visibility, increasing the risk of a crash.

Manufacturer remedy

Mack will notify owners, and install an additional wiring harness on the affected vehicles, free of charge. The safety recall began on November 14, 2012. Owners may contact Mack Trucks at 1-800-866-1177.

Notes

Mack's recall number is SC0365.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.

FIFTH WHEEL MOUNTING BOLTS

NHTSA #11V209000 · Trailer Hitches — Fifth Wheel Assembly · NHTSA notice

Reported March 31, 2011 · MACK TRUCKS, INC

Potentially affected: 808 vehicles

Mack campaign SC0351 · Owners notified May 30, 2011 · Vehicles built January 1, 2008 – July 30, 2010 (per NHTSA) · Recall influenced by NHTSA's Office of Defects Investigation

Defect description

MACK TRUCKS IS RECALLING CERTAIN MODEL YEAR 2008-2011 CHU AND CXU HEAVY TRUCKS MANUFACTURED FROM JANUARY 2008 THROUGH JULY 2010. THERE MAY BE AN INTERFERENCE WITH THE BOLTS USED TO SECURE THE FIFTH WHEEL TO THE FRAME THAT CAN PREVENT THE BOLTS FROM BEING TORQUED TO SPECIFICATION.

Safety consequence

THE BOLTS MAY FAIL AND COULD RESULT IN THE FIFTH WHEEL COMING LOOSE CAUSING THE TRAILER TO SEPARATE FROM THE TRACTOR INCREASING THE RISK OF A CRASH.

Manufacturer remedy

DEALERS WILL INSPECT AND REPLACE THE BOLTS AS REQUIRED FREE OF CHARGE. THE SAFETY RECALL BEGAN ON MAY 30, 2011. OWNERS MAY CONTACT MACK TRUCKS AT 1-800-866-1177.

Notes

MACK TRUCKS RECALL NO. SC0351.OWNERS MAY ALSO CONTACT THE NATIONAL HIGHWAY TRAFFIC SAFETY ADMINISTRATION'S VEHICLE SAFETY HOTLINE AT 1-888-327-4236 (TTY 1-800-424-9153), OR GO TO <A HREF=HTTP://WWW.SAFERCAR.GOV>HTTP://WWW.SAFERCAR.GOV</A> .

Other Mack CXU model years

Check your 2009 Mack CXU VIN

Not every recall applies to every VIN in a given year. Enter the 17-character VIN from your Mack CXU at nhtsa.gov/recalls to see whether your specific vehicle has an unrepaired recall.

Check a Mack VIN