Occupant Classification System Harness Concern Safety Recall 1517H – 2015-2016 Mazda6

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NHTSA Campaign Number: 17V546
Manufacturer Mazda North American Operations
Potential Number of Units Affected 57,878


Weld Spatter may cause OCS fault

If the wiring becomes damaged, there may be a loss of power steering assist and the deactivation of the passenger air bag, increasing the risk of a crash and the risk of injury in the event of a crash.



Mazda North American Operations (Mazda) is recalling certain 2015-2016 Mazda6 vehicles. Debris from the welding process during manufacturing of the front passenger seat frame may damage the occupant classification system (OCS) wiring.



Mazda will notify owners, and dealers will attach a protective pad on the seat frame.

If the OCS harness is damaged, insulating tape will be applied to the harness.

These repairs will be performed free of charge.

The recall is expected to begin September 29, 2017.

Owners may contact Mazda customer service at 1-800-222-5500.

Mazda’s number for this recall is 1517H.



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 if your Mazda has a Recall


September 5, 2017

Attention: Mazda General Managers, Parts and Service Managers
Subject: 2015-2016 Mazda6 Occupant Classification System Harness Concern Safety Recall 1517H


On August 31, 2017, Mazda Motor Corporation decided to conduct a Safety Recall Campaign to address a concern with certain 2015-2016 Mazda6 vehicles.


Concern Outline:

On the front passenger seat, there may be excessive weld spatter on the seat frame.  When the passenger seat is occupied, the occupant classification sensor (OCS) wire harnesses may contact the weld spatter due to up and down movement of the seat, and the harness insulation may be abraded over time.  Eventually the harnesses may short-circuit, causing one or more of the following symptoms.


The possible concerns will depend on the harness(es) actually damaged.

  • EPAS warning light illumination with Loss of power steering assist
  • Air bag warning light illumination with Air bags deactivation
  • ABS/DSC warning light illumination (Braking function is maintained)
  • AFS/ADB warning light illumination (Lighting function is maintained) – Air conditioner malfunction
  • Others


Affected Vehicles:

Model Subject VIN range Subject production date range
2015-2016 Mazda6 JM1GJ1*5* F1 219009 – 225009 JM1GJ1*5* G1 400009 – 463163 From November 3, 2014 through December 9, 2015


Customer Notification:

Mazda will notify customer of affected vehicles by mail by late October 2017.

Additional details, including customer notification, parts and warranty information, and repair instructions, will be provided as soon as they are available on MGSS for your reference.


We apologize for any inconvenience this recall may cause your dealership and your customers.

Your understanding and support are greatly appreciated.

Because Driving Matters, Safety Matters. Your safety is important to Mazda.

Mazda Technical Services

September 5th, 2017



All Mazda Dealership General Managers, Sales, Service, and Parts Managers
Subject: Recall 1517H – 2015 & 2016 Mazda6 Occupant Classification Harness Stop Delivery Notification


On September 5th, 2017 Mazda issued a recall notification for 1517H.

This notice is a stop delivery announcement for new and CPO vehicles involved in Safety Recall 1517H.

The subject vehicles must be grounded until they can be repaired. We apologize for the inconvenience and disruption to your sales and service business during this time. We are working closely to identify the impacts of this stop delivery on your business and on ways to accelerate removal of the stop delivery condition.


Affected VINs will be posted on MGSS as soon as they are identified and all affected VINs in this recall campaign will display “Not Launched” status in eMDCS Warranty Vehicle Inquiry on September 6th, 2017. Only certain Mazda6 vehicles produced from November 3, 2014 through December 9, 2015 are affected.


If there are any questions please contact the Warranty Department at (877) 727-6626, Option 3.


Parts for this repair are expected to be available in approximately 10 days along with final repair and recall claim instructions. At that time, Mazda will communicate dealer support details for the stop delivery.


Concern Outline:

For certain 2015 and 2016 Mazda6 vehicles that may be in your New or CPO inventory, there is potential for the occupant classification sensor (OCS) wiring harness under the passenger seat becoming chafed and shorting out the CAN system.


MCVP Impact:

In addition to the stop delivery, we recognize that some dealers may have affected vehicles in their MCVP loaner fleet. These vehicles should be removed from loaner service immediately and quarantined until repairs can be completed. Dealers should place the vehicle in “maintenance” status in the TSD loaner fleet management software, open a repair order, and close the repair order when the recall is complete in order to earn the full utilization credit on any affected MCVP vehicles.


Thank you for your understanding and we will be back in contact next week with more details on this situation.


Tom Donnelly

VP, US Sales & Retail Operations


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