Recall 19V403 affects 7,854 2018 Mazda CX-9 vehicles for a wiring harness defect that can disable the passenger air bag. Free repair at any franchised Mazda dealer.
Mazda is recalling 7,854 2018 CX-9 SUVs under recall 19V403 because a wiring harness can disrupt electrical communications and disable the passenger frontal airbag, turn signals, or the engine starting system. A disabled passenger airbag raises the risk of injury in a crash, and inoperable turn signals raise the risk of a collision; Mazda dealers will inspect and repair the wiring harness free of charge.
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What's wrong?
The wiring harness on the 2018 CX-9 is the bundle of wires and connectors that carries electrical signals between the vehicle's computers, sensors, and safety systems. It routes communication to the passenger frontal air bag, the turn signals, and the engine starting system, among other functions. Each connector in the harness has to hold its metal terminals tightly so current flows without interruption.
On affected CX-9s, a change in the front and rear harness manufacturing process left certain female connector terminals with weak retention force. Over time, that loose grip raises electrical resistance at the connector. The added resistance disrupts communication between modules, which can disable the passenger frontal air bag, stop the turn signals from working, or prevent the engine from starting.
There is no warning sign before failure. The first indication for most owners is a dashboard full of warning lights after starting the vehicle, or a system that simply will not respond when needed.
Who's affected?
| 2018 Mazda CX-9 | wiring |
|---|---|
| Units affected | 7,854 |
| Field incidents | NHTSA has logged no field incidents to date. |
Not every 2018 Mazda CX-9 is on the list. Check your VIN to confirm whether your specific SUV is included in this recall.
What's the safety risk?
A wiring fault can prevent the passenger frontal air bag from deploying in a crash, raising the risk of injury to the front-seat passenger. The same fault can disable the turn signals, so other drivers will not see your intent to turn or change lanes, which raises crash risk. There is no warning before the failure. Schedule the repair soon. Repair is free at any franchised Mazda dealer.
What should I do?
- Check your VIN to confirm your 2018 Mazda CX-9 is included in this recall.
- Contact a franchised Mazda dealer to schedule the wiring-harness repair that fixes the disabled passenger air bag, turn signals, and starting system.
- Bring the recall notice if Mazda has mailed one. If not, reference recall number 19V403 when you call.
- Call Mazda customer service at 1-800-222-5500, Option 4, with questions, and reference Mazda recall 3419E.
- Drive cautiously until the repair is complete, and use hand signals or extra caution at turns if the turn signals stop working.
What happens at the repair
At the dealer, a Mazda technician repairs the wiring harness to restore proper electrical communication between the affected systems, including the passenger frontal air bag, turn signals, and engine starting circuit. Parts and labor are free under the recall. If you already paid out of pocket to have this wiring repaired, Mazda has indicated a reimbursement plan will be submitted for eligible owners. Bring your receipts and repair paperwork to the service desk, and call Mazda customer service at 1-800-222-5500, Option 4, to confirm what documentation they need.
| Reimbursement | Reimbursement available |
|---|
Timeline
| May 30, 2019 | NHTSA published the recall |
|---|---|
| June 4, 2019 | Dealer notification began |
| June 4, 2019 | Dealer notification ended |
| July 26, 2019 | Owner notification mailed |
| July 29, 2019 | VIN-searchable in NHTSA's database — Check your VIN to see whether this recall applies to your specific vehicle. |
| July 29, 2019 | Interim owner notification (was planned for this date) |
Frequently asked questions
What is recall 19V403?
Recall 19V403 covers 7,854 2018 Mazda CX-9 vehicles with a wiring harness defect that can disable the passenger frontal air bag, turn signals, and engine starting system. Mazda dealers will repair the wiring harness for free at any franchised Mazda dealer.
What should I do if my 2018 Mazda CX-9 is on this recall?
Check your VIN to confirm your specific CX-9 is included in recall 19V403. If it is, contact a franchised Mazda dealer to schedule the wiring harness repair. Reference recall number 19V403 when you call, or contact Mazda customer service at 1-800-222-5500, Option 4.
Is the recall repair free?
Yes. Federal recall law requires manufacturers to repair the defect at no cost, and Mazda will repair the wiring harness free of charge at any franchised Mazda dealer regardless of where the vehicle was originally purchased. Parts and labor are covered.
What is the safety risk with this 2018 Mazda CX-9 recall?
The wiring harness defect can disable the passenger frontal air bag, which then will not deploy in a crash, increasing the risk of injury to the front passenger. Inoperable turn signals also prevent the driver from signaling lane changes and turns, increasing crash risk.
What if I bought my 2018 Mazda CX-9 used?
The free repair still applies. Federal recall law requires manufacturers to honor the recall regardless of ownership history. If Mazda never mailed you a notice, check your VIN to confirm your specific CX-9 is included, and reference recall number 19V403 when you call the dealer.
More information
| NHTSA campaign page | nhtsa.gov/vehicle-recalls/19V403000 |
|---|---|
| Mazda customer service | 1-800-222-5500 |
| NHTSA recall # | 19V403 |
| NHTSA recall # (full) | 19V403000 |
Source documents
-
Download Misc. Document (PDF) - Download Recall Document (PDF) (PDF)
- Download Recall Investigation Document (PDF) (PDF)
- Download Owner Notification Letter (PDF)
- Download Owner Notice (PDF)
- Download Recall Report (PDF)
- Download Quarterly Report (PDF)
- Download Recall Acknowledgement (PDF)
This article is generated from NHTSA's primary recall filings and reviewed against the source on May 25, 2026. RecallNotify does not paraphrase NHTSA's consequence language; that text is reproduced as written above. Editorial standards →