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Mazda CX-50 Trailer Hitch Wiring May Detach

NHTSA campaign 23V135000 · Reported Mar 1, 2023 · Mazda North American Operations

medium How serious is it? About this label

Towing a trailer with lights or brakes that don't work can increase the risk of a crash. The notice does not tell owners to stop driving.

Key facts

NHTSA campaign number	23V135000
Reported to NHTSA	Mar 1, 2023
Manufacturer	Mazda North American Operations
Part affected	Trailer Hitches
Vehicles covered	1 model/year combination, model years 2023
Do-not-drive advisory	No
Park-outside advisory	No
Repair	Free at any franchised dealer

What's wrong, in plain English

Certain 2023 Mazda CX-50 vehicles equipped with a Mazda Genuine Accessory trailer hitch have a wiring harness that may come loose and get damaged. This harness powers the lights and brakes on a trailer you're towing. If it fails, the trailer's lights or brakes may stop working while you're driving with a trailer attached.

What you should do

1. Check your VIN at nhtsa.gov/recalls to confirm your vehicle is affected.
2. Contact a Mazda dealer to have the trailer hitch harness repaired; you can also call Mazda customer service at 1-800-222-5500, option 6.
3. The repair is free.

Where do I find my VIN, and what do I tell the dealer?

Your VIN is the 17-character code on the lower left of the windshield, on your registration and usually on your insurance card. Enter it at nhtsa.gov/recalls to see whether this recall is still open on your car. When you call the dealer, say you have an open safety recall and give them NHTSA campaign number 23V135000. More in how recalls work.

Affected vehicles (1)

2023 Mazda CX-50

Who to contact

Mazda — official Mazda recall lookup

Customer service: 1-800-222-5500

Any franchised dealer for the brand can do the repair. Phone numbers are taken from manufacturer sites and recent NHTSA notices; if one has changed, the number in your own recall letter is the one to use.

Other Mazda CX-50 recalls

Oct 29, 2025Mazda CX-50 Suspension Bolts May Not Be Tighthigh
Jun 18, 2025Mazda CX-50 Airbag May Deploy Improperlyhigh
Mar 14, 2025Mazda CX-50 Trailer Hitch Bolts May Loosenmedium
Sep 3, 2024Mazda Camera Fault May Disable Safety Systemshigh
Apr 18, 2023Mazda CX-30, CX-50 Brake Control Unit May Failhigh

Official notice

Component: TRAILER HITCHES
Summary: Mazda North America Operations (Mazda) is recalling certain 2023 CX-50 vehicles equipped with a Mazda Genuine Accessory trailer hitch. The trailer hitch harness may detach and become damaged, which can result in inoperative trailer lights and/or brakes.
Safety risk: Towing a trailer with inoperative lights or brakes can increase the risk of a crash.
Remedy: Dealers will repair the trailer hitch harness, free of charge. Owner notification letters were mailed April 11, 2023. Owners may contact Mazda customer service at 1-800-222-5500 option 6. Mazda's number for this recall is 5723B.

Verify your specific vehicle by VIN at nhtsa.gov. Recall repairs are free of charge by law.