2014 Freightliner Cascadia Recalls

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NHTSA Campaign Number: 16V656000
Manufacturer: Daimler Trucks North America LLC
Manufacturer Campaign Number: FL-721
Manufactured Begin Date: September 24th, 2012
Manufactured End Date: May 27th, 2015

Defect Summary:
Daimler Trucks North America, LLC. (DTNA) is recalling certain model year 2013-2017 Freightliner Cascadia vehicles manufactured September 24, 2012, to May 27, 2015 and equipped with compressed natural gas (CNG) engines. The affected vehicles have a Power Distribution Module (PDM) that is mounted near the CNG fuel tank. Due to its location, the PDM may be sprayed with water and contaminants from the road, possibly causing the PDM to short circuit.

Consequence Summary:
If the PDM short circuits, there would be an increased risk of a fire, especially if the nearby CNG tank leaks.

Corrective Summary:
DTNA will notify owners, and dealers will relocate the PDM, free of charge. The recall is expected to begin November 7, 2016. Owners may contact DTNA customer service at 1-800-745-8000. DTNA's number for this recall is FL-721.

Recall 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.

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NHTSA Campaign Number: 16V634000
Manufacturer: Daimler Trucks North America LLC
Manufacturer Campaign Number: FL-718
Manufactured Begin Date: March 15th, 2013
Manufactured End Date: July 29th, 2016

Defect Summary:
Daimler Trucks North America LLC (DTNA) is recalling certain model year 2014-2017 Freightliner M2 Business Class, 108 SD, 114 SD, Cascadia, Coronado, Western Star 4700, 4800, and 5700 XE trucks manufactured March 15, 2013, to July 29, 2016 and equipped with Conmet aluminum non-high capacity hubs. These vehicles specify a front axle weight limit that may be greater than that of the hub capacity. As a result, the hub may fail and the wheel may separate from the axle.

Consequence Summary:
If a wheel separates from the axle, there would be an increased risk of a crash.

Corrective Summary:
DTNA will notify owners, and dealers will replace the front axle hubs, free of charge. The recall is expected to begin October 27, 2016. Owners may contact DTNA customer service at 1-800-745-8000. DTNA's number for this recall is FL-718.

Recall 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.

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NHTSA Campaign Number: 15V816000
Manufacturer: Daimler Trucks North America LLC
Manufacturer Campaign Number: FL-695
Manufactured Begin Date: March 27th, 2012
Manufactured End Date: November 4th, 2014
Date of Owner Notification: March 13th, 2015

Defect Summary:
Daimler Trucks North America LLC (DTNA) is recalling certain model year 2013-2015 Freightliner Cascadia vehicles manufactured March 27, 2015, to November 4, 2014, and powered by compressed natural gas (CNG). The affected vehicles have a tailpipe that allows hot exhaust to exit near the CNG tank pressure relief device (PRD).

Consequence Summary:
Hot exhaust in close proximity to the PRD may cause the PDR to activate and CNG to be unexpectedly released from the tank. Discharge of CNG in the presence of an ignition source can increase the risk of a fire.

Corrective Summary:
All the vehicles involved in this recall campaign have been repaired. The recall is began on March 13, 2015. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL-695.

Recall 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.

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NHTSA Campaign Number: 15V616000
Manufacturer: Daimler Trucks North America LLC
Manufacturer Campaign Number: FL-692
Manufactured Begin Date: April 5th, 2010
Manufactured End Date: June 15th, 2013
Date of Owner Notification: November 20th, 2015

Defect Summary:
Daimler Trucks North America LLC (DTNA) is recalling certain model year 2011-2014 Cascadia, Business Class M2, Coronado, and Columbia Glider vehicles manufactured April 5, 2010, to June 15, 2013. The affected trucks are equipped with Fontaine Ultra LT Fifth Wheel connectors, which, due to cumulative damage to the fifth wheel and its locking mechanism, have a locking mechanism that may fail to operate or to properly engage.

Consequence Summary:
If the fifth wheel and locking mechanism are sufficiently damaged, the locking mechanism may fail to operate as intended and the trailer may unexpectedly detach from the tractor, increasing the risk of a crash.

Corrective Summary:
DTNA will notify owners, and DTNA authorized service facilities will replace the fifth wheel with an Ultra NT model fifth wheel, free of charge. The recall began on November 20, 2015. Owners may contact DTNA customer service at 1-800-745-8000. DTNA's number for this recall is FL-692.

Recall 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.

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NHTSA Campaign Number: 15V105000
Manufacturer: Daimler Trucks North America LLC
Manufacturer Campaign Number: FL-678
Manufactured Begin Date: November 19th, 2013
Manufactured End Date: July 14th, 2014
Date of Owner Notification: April 1st, 2015

Defect Summary:
Daimler Trucks North America LLC (DTNA) is recalling certain model year 2014-2015 Freightliner Cascadia trucks manufactured November 19, 2013, to July 14, 2014, and equipped with certain model Side-Mount compressed natural gas (CNG) Fuel Systems, Part No. 23736011, manufactured August 1, 2013, to August 21, 2014 and Motion Industries T1700-06 flexible fuel hoses. The stainless steel braid hose reinforcement may corrode prematurely near the fitting crimp inside the slave tank enclosure.

Consequence Summary:
If the corrosion progresses and goes undetected, the hose could begin to leak CNG, increasing the risk of a fire in the presence of an ignition source.

Corrective Summary:
DTNA will notify owners and dealers will replace the defective hose, free of charge. The recall began on April 1, 2015. Owners may contact DTNA customer service at 1-800-745-8000. DTNA's number for this recall is FL-678.

Recall 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.

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NHTSA Campaign Number: 14V717000
Manufacturer: Daimler Trucks North America LLC
Manufacturer Campaign Number: FL-673
Manufactured Begin Date: July 22nd, 2013
Manufactured End Date: October 13th, 2014
Date of Owner Notification: December 30th, 2014

Defect Summary:
Daimler Trucks North America LLC (Daimler) is recalling certain model year 2014-2015 Freightliner 122SD, Argosy, and Cascadia trucks manufactured July 22, 2013, to October 13, 2014, equipped with Wabco Quick Release Valves with Double Check manufactured February 6, 2013, to April 19, 2014. The affected vehicles may have been produced with a defective valve seat installed.

Consequence Summary:
Improper seating can result in the valves improperly adjusting air pressure levels, thereby reducing the braking performance of the vehicles and increasing the risk of a crash.

Corrective Summary:
Daimler will notify owners, and dealers will inspect, and replace the valves, free of charge. The recall began on December 30, 2015. Owners may contact Daimler customer service at 1-800-745-8000. Daimler's number for this recall is FL-673.

Recall 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.

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NHTSA Campaign Number: 14V680000
Manufacturer: Daimler Trucks North America LLC
Manufacturer Campaign Number: FL-671
Manufactured Begin Date: June 2nd, 2011
Manufactured End Date: October 23rd, 2014
Date of Owner Notification: February 12th, 2015

Defect Summary:
Daimler Trucks of North America LLC (DTNA) is recalling certain model year 2011-2015 Freightliner Cascadia and M2 trucks manufactured June 2, 2011 to October 23, 2014. The vehicles are not in compliance with the requirements of the Federal Motor Vehicle Safety Standards No. 303, "Fuel System Integrity Of Compressed Natural Gas Vehicles." Specifically, the tail pipe on these vehicles terminates under the compressed natural gas (CNG) tank and can overheat the fuel system.

Consequence Summary:
Due to the area of its placement, the exhaust system forces heat around, and may overheat, the fuel system components, increasing the risk of a vehicle fire.

Corrective Summary:
DTNA will notify owners, and dealers will extend the tailpipe beyond the cabinet, free of charge. The recall began Feburary 12, 2015. Owners may contact DTNA customer service at 1-800-745-8000. DTNA's number for this recall is FL-671.

Recall 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.

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NHTSA Campaign Number: 14V680000
Manufacturer: Daimler Trucks North America LLC
Manufacturer Campaign Number: FL-671
Manufactured Begin Date: June 2nd, 2011
Manufactured End Date: October 23rd, 2014
Date of Owner Notification: February 12th, 2015

Defect Summary:
Daimler Trucks of North America LLC (DTNA) is recalling certain model year 2011-2015 Freightliner Cascadia and M2 trucks manufactured June 2, 2011 to October 23, 2014. The vehicles are not in compliance with the requirements of the Federal Motor Vehicle Safety Standards No. 303, "Fuel System Integrity Of Compressed Natural Gas Vehicles." Specifically, the tail pipe on these vehicles terminates under the compressed natural gas (CNG) tank and can overheat the fuel system.

Consequence Summary:
Due to the area of its placement, the exhaust system forces heat around, and may overheat, the fuel system components, increasing the risk of a vehicle fire.

Corrective Summary:
DTNA will notify owners, and dealers will extend the tailpipe beyond the cabinet, free of charge. The recall began Feburary 12, 2015. Owners may contact DTNA customer service at 1-800-745-8000. DTNA's number for this recall is FL-671.

Recall 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.

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NHTSA Campaign Number: 14V588000
Manufacturer: Daimler Trucks North America LLC
Manufacturer Campaign Number: FL-668
Manufactured Begin Date: May 5th, 2014
Manufactured End Date: August 18th, 2014
Date of Owner Notification: November 14th, 2014

Defect Summary:
Daimler Trucks North America LLC (DTNA) is recalling certain model year 2014-2015 Freightliner Cascadia vehicles manufactured May 5, 2014, to August 18, 2014. The affected vehicles are equipped with certain 1100W, 1500W, or 2000W inverters sold as a standalone option with both the Thermo King TriPac EVOLUTION and TriPac-e Auxiliary Power Units ("APU"). The Thermo King inverters provide 120V AC household power to a tractor cabin. The inverters may spark or overheat, resulting in a potential fire.

Consequence Summary:
An inverter fire may result in a vehicle fire.

Corrective Summary:
DTNA will notify owners, and Thermo King will either replace the inverter free of charge or refund the full purchase price. The recall began on November 14, 2014. Owners may contact Thermo King customer service at 1-866-766-2708. Owners may also contact DTNA customer service at 1-800-745-8000. DTNA's number for this recall is FL-668.

Recall 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.

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NHTSA Campaign Number: 14V150000
Manufacturer: Daimler Trucks North America LLC
Manufacturer Campaign Number: FL-661
Manufactured Begin Date: August 5th, 2013
Manufactured End Date: November 15th, 2013
Date of Owner Notification: May 22nd, 2014

Defect Summary:
Daimler Trucks North America LLC (DTNA) is recalling certain model year 2014 Freightliner 108SD, 114SD, 122SD, Coronado, Argosy, Cascadia, Columbia, and M2 Business Class, and Western Star 4700, and 4900 vehicles manufactured August 5, 2013, through November 15, 2013, and equipped with IMMI-brand L9 seat belt buckles. When the button is pressed to release the seat belt, the latch plate can become partially engaged with the buckle, making the seat belt difficult to unlatch. Thus, these vehicles fail to conform to the requirements of Federal Motor Vehicle Safety Standard (FMVSS) No. 209, "Seat Belt Assemblies."

Consequence Summary:
If the latch plate remains partially engaged after the button is pressed, egress from the vehicle could be hindered which would increase the risk of injury in the event of an emergency.

Corrective Summary:
DTNA will notify owners, and dealers will inspect and replace the seat belt buckle, as necessary, free of charge. The recall began on May 22, 2014. Owners may contact Daimler at 1-800-385-4357. DTNA's number for this campaign is FL-661. Note: This is an expansion of recall 13V-604.

Recall 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.

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NHTSA Campaign Number: 14V080000
Manufacturer: Daimler Trucks North America LLC
Manufacturer Campaign Number: FL-660
Manufactured Begin Date: February 19th, 2008
Manufactured End Date: February 11th, 2014
Date of Owner Notification: April 12th, 2014

Defect Summary:
Daimler Trucks North America LLC (Daimler) is recalling certain model year 2008-2015 Freightliner 114SD, Cascadia, M2 Business Class, Sterling LT8500, and Thomas Built Buses Saf-T-Liner HDX vehicles manufactured February 19, 2008, through February 11, 2014, and equipped with Cummins Westport Model ISL G and Cummins Westport Model ISX12 G engines. Condensation in the intake manifold may freeze during cold weather conditions and interfere with the proper operation of the intake manifold pressure sensor.

Consequence Summary:
The sensor malfunction could induce elevated exhaust temperatures or flames from the exhaust pipe, increasing the risk of a vehicle fire or burn injury to a person near the exhaust pipe.

Corrective Summary:
Cummins and Cummins Westport will notify owners, and authorized Cummins service facilities will upload a new ECM calibration, free of charge. The recall began on April 12, 2014. Customers may contact Daimler at 1-800-385-4357 or Cummins Inc. at 1-800-343-7357. Daimler's number for this recall is FL-660.

Recall 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.

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NHTSA Campaign Number: 13V627000
Manufacturer: Daimler Trucks North America LLC
Manufacturer Campaign Number: FL-656
Manufactured Begin Date: December 11th, 2012
Manufactured End Date: November 27th, 2013
Date of Owner Notification: February 24th, 2014

Defect Summary:
Daimler Trucks North America (DTNA) is recalling certain model year 2013-2014 Freightliner Cascadia trucks manufactured December 11, 2012, through November 27, 2013 and equipped with a Meritor Wabco electronically controlled air suspension (ECAS) system. In the affected vehicles, the wiring harnesses for the ECAS may have been reversed.

Consequence Summary:
If the wiring harnesses are connected in reverse, it may adjust the suspension axle height incorrectly, reducing driving traction and parking brake effectiveness. Either result increases the risk of a crash.

Corrective Summary:
DTNA will notify the owners, and dealers will inspect the ECAS wiring, correcting it as necessary, free of charge. The recall began on February 24, 2014. Owners may contact Daimler at 1-800-547-0712. DTNA's number for this recall is FL-656.

Recall 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.

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NHTSA Campaign Number: 13V627000
Manufacturer: Daimler Trucks North America LLC
Manufacturer Campaign Number: FL-656
Manufactured Begin Date: December 11th, 2012
Manufactured End Date: November 27th, 2013
Date of Owner Notification: February 24th, 2014

Defect Summary:
Daimler Trucks North America (DTNA) is recalling certain model year 2013-2014 Freightliner Cascadia trucks manufactured December 11, 2012, through November 27, 2013 and equipped with a Meritor Wabco electronically controlled air suspension (ECAS) system. In the affected vehicles, the wiring harnesses for the ECAS may have been reversed.

Consequence Summary:
If the wiring harnesses are connected in reverse, it may adjust the suspension axle height incorrectly, reducing driving traction and parking brake effectiveness. Either result increases the risk of a crash.

Corrective Summary:
DTNA will notify the owners, and dealers will inspect the ECAS wiring, correcting it as necessary, free of charge. The recall began on February 24, 2014. Owners may contact Daimler at 1-800-547-0712. DTNA's number for this recall is FL-656.

Recall 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.

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NHTSA Campaign Number: 13V627000
Manufacturer: Daimler Trucks North America LLC
Manufacturer Campaign Number: FL-656
Manufactured Begin Date: December 11th, 2012
Manufactured End Date: November 27th, 2013
Date of Owner Notification: February 24th, 2014

Defect Summary:
Daimler Trucks North America (DTNA) is recalling certain model year 2013-2014 Freightliner Cascadia trucks manufactured December 11, 2012, through November 27, 2013 and equipped with a Meritor Wabco electronically controlled air suspension (ECAS) system. In the affected vehicles, the wiring harnesses for the ECAS may have been reversed.

Consequence Summary:
If the wiring harnesses are connected in reverse, it may adjust the suspension axle height incorrectly, reducing driving traction and parking brake effectiveness. Either result increases the risk of a crash.

Corrective Summary:
DTNA will notify the owners, and dealers will inspect the ECAS wiring, correcting it as necessary, free of charge. The recall began on February 24, 2014. Owners may contact Daimler at 1-800-547-0712. DTNA's number for this recall is FL-656.

Recall 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.

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NHTSA Campaign Number: 13V604000
Manufacturer: Daimler Trucks North America LLC
Manufacturer Campaign Number: FL-654
Manufactured Begin Date: August 5th, 2013
Manufactured End Date: November 15th, 2013

Defect Summary:
Daimler Trucks North America (DTNA) is recalling certain model year 2014 Freightliner 108SD, 114SD, 122SD, Coronado, Argosy, Cascadia, M2 Business Class, and Western Star 4700, 4900, and 6900 vehicles manufactured August 5, 2013, through November 15, 2013; and equipped with IMMI-brand L9 seat belt buckles. When the button is pressed to release the seat belt, the latch plate can become partially engaged with the buckle, making the seat belt difficult to unlatch. Thus, these vehicles fail to conform to the requirements of Federal Motor Vehicle Safety Standard (FMVSS) No. 209, "Seat Belt Assemblies."

Consequence Summary:
If the latch plate remains partially engaged after the button is pressed, egress from the vehicle could be hindered which would increase the risk of injury in the event of an emergency.

Corrective Summary:
DTNA will notify owners, and dealers will inspect and replace the seat belt buckle, as necessary, free of charge. The recall is expected to begin by January 26, 2014. Owners may contact Daimler at 1-800-385-4357. DTNA's number for this campaign is FL-654.

Recall 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.

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NHTSA Campaign Number: 13V403000
Manufacturer: Daimler Trucks North America LLC
Manufacturer Campaign Number: FL-644
Manufactured Begin Date: January 21st, 2013
Manufactured End Date: May 10th, 2013
Date of Owner Notification: November 8th, 2013

Defect Summary:
Daimler Trucks North America LLC (DTNA) is recalling certain model year 2014 Freightliner Cascadia trucks manufactured January 21, 2013, through May 10, 2013; and equipped with Wabco Maxxus Brakes. The brake caliper mounting bolts may be incorrectly torqued, which could result in the bolts loosening.

Consequence Summary:
The bolts may not provide adequate clamping force between the brake caliper and brake anchor plate, resulting in the caliper detaching and thus reduced brake effectiveness. Reduced brake effectiveness increases the risk of a crash.

Corrective Summary:
DTNA will notify owners, and dealers will inspect and tighten the caliper mounting bolts, as needed, free of charge. The recall began on November 8, 2013. Owner's may contact Daimler at 1-800-547-0712. Daimler's recall number is FL-644.

Recall 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.

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NHTSA Campaign Number: 13V127000
Manufacturer: Daimler Trucks North America LLC
Manufacturer Campaign Number: FL-642
Manufactured Begin Date: October 21st, 2011
Manufactured End Date: April 3rd, 2013
Date of Owner Notification: June 6th, 2013

Defect Summary:
Daimler Trucks North America (DTNA) is recalling certain model year 2012-2014 Cascadia and Coronado vehicles manufactured between November 21, 2011, and April 3, 2013. In the affected vehicles, when the ignition is off and the door is opened without the parking brake applied, the dashboard does not display the correct message of "Park Brake Off Door Open."

Consequence Summary:
Without the proper warning, a driver may not be reminded to apply the parking brake which may lead to a vehicle roll away, increasing the risk of a crash.

Corrective Summary:
DTNA will notify owners, and dealers will update then display software. The safety recall began on June 6, 2013. Owners may contact DTNA at 1-800-547-0712. Daimler's recall campaign number is FL-642.

Recall Notes:
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 www.safercar.gov.

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NHTSA Campaign Number: 13V099000
Manufacturer: Daimler Trucks North America LLC
Manufacturer Campaign Number: FL-641
Manufactured Begin Date: April 12th, 2010
Manufactured End Date: March 2nd, 2013
Date of Owner Notification: May 6th, 2015

Defect Summary:
Daimler Trucks North America (DTNA) is recalling certain model year 2012-2014 Freightliner Cascadia tractors manufactured from April 12, 1210, through March 2, 2013, and equipped with a SAMCAB software version 6.2. On vehicles configured to have the turn signals operate as Daytime Running Lights (DRLs) and the 'Turn-Tip' turn signal function activated, the DRLs may not illuminate properly after using the 'Turn-Tip' function while driving.

Consequence Summary:
Failure of the DRLs to illuminate reduces visibility to other drivers and increases the risk of a vehicle crash.

Corrective Summary:
DTNA sent notification to owners on May 6, 2015, instructing them to contact their dealers and arrange to have the free SAMCAB software updated to correct the operation of the DRLs and "Turn Tip" feature. Owners may contact DTNA at 1-800-547-0712.

Recall Notes:
DTNA's recall campaign number is FL-641.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.

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NHTSA Campaign Number: 13V099000
Manufacturer: Daimler Trucks North America LLC
Manufacturer Campaign Number: FL-641
Manufactured Begin Date: April 12th, 2010
Manufactured End Date: March 2nd, 2013
Date of Owner Notification: May 6th, 2015

Defect Summary:
Daimler Trucks North America (DTNA) is recalling certain model year 2012-2014 Freightliner Cascadia tractors manufactured from April 12, 1210, through March 2, 2013, and equipped with a SAMCAB software version 6.2. On vehicles configured to have the turn signals operate as Daytime Running Lights (DRLs) and the 'Turn-Tip' turn signal function activated, the DRLs may not illuminate properly after using the 'Turn-Tip' function while driving.

Consequence Summary:
Failure of the DRLs to illuminate reduces visibility to other drivers and increases the risk of a vehicle crash.

Corrective Summary:
DTNA sent notification to owners on May 6, 2015, instructing them to contact their dealers and arrange to have the free SAMCAB software updated to correct the operation of the DRLs and "Turn Tip" feature. Owners may contact DTNA at 1-800-547-0712.

Recall Notes:
DTNA's recall campaign number is FL-641.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.