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Discussion Starter · #1 ·
Mazda in USA are conducting a Recall on all CX-50's fitted by Dealer or at Port with approved local Genuine Mazda Trailer Hitch and Wiring.

In most cases this is a Preventative Inspection and Replacement of Harness Wiring with a new modified one.

IN USA..
SAFETY RECALL 5723B - 2023 CX-50 TRAILER HITCH WIRING HARNESS MAY DETACH

USA VIN Range...
7MM VA**** PN 100233 – 123654
Canada VIN Range..

7MM VA**** PN 100239 – 132476

Obviously if you have not got a Trailer Hitch on your CX-50 then this Recall does not apply.

Mazda Motor Corporation has decided a defect which relates to motor vehicle safety may exist in certain 2023MY Mazda CX-50 vehicles produced from January 18, 2022 through October 28, 2022, affecting 2,592 vehicles in Canada that may have had a Mazda Genuine Accessory Trailer Hitch Harness installed. MNAO says about 560 USA sold vehicles or in Dealer stock with a Genuine Mazda Accessory Hitch.

Description of Issue: On the affected vehicles, if an accessory trailer hitch harness has been installed, the trailer wiring harness may detach, causing insufficient clearance to underbody components.
Both the 4-pin and 7-pin harnesses are affected.


Safety Risk:
A detached trailer wiring harness may become damaged due to contact with the exhaust components or road debris while driving. If the harness becomes damaged, lighting and/or braking of a connected trailer may become inoperative, increasing the risk of a crash.

Corrective Measures:
In Canada Over-the-counter sales of accessories are not tracked, so retailers are instructed inspect all subject vehicles for the presence of a trailer hitch harness. If there is no trailer hitch harness installed, no further action is necessary.

Minimize Safety Risk Until Repair is Completed: Owners can visually check trailer lighting before towing. In case of trailer wire harness malfunction, customers should avoid towing.

If a trailer hitch harness is installed, retailers will install an improved harness with new installation and new cable routing instructions.

Owner Notification: Mazda will notify owners of affected vehicles by priority mail no later than April 28, 2023.
 

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Discussion Starter · #2 ·
If you have yet to receive the priority mail from Mazda then I would contact your Selling Mazda Dealer and quote this Recall TSB, or contact the business who may have installed your Trailer Hitch independently to any Mazda Dealer or Supplier.

Stating the obvious but this recall repair only applies to those who installed the OEM Genuine Accessory and not any other brand of hitch.
 

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2014 & 2019 CX-5, 2023 CX-50 TPP
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@ASH8 Thanks for this. When the new routing/installation instructions are out, would it be possible for you to post them (for the benefit of others with aftermarket wiring)?
 
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