Guide · Cadillac

Cadillac CTS Key Replacement Guide

Last updated: August 2026 · Verified OEM part numbers

Quick answer: The Cadillac CTS (2005-2007) uses the M3N65981403 15212383 315MHz 46 Chip Remote Control for Cadillac STS CTS (SKU PCK-CA-2026) — verified against OEM part numbers. See the full compatibility table below.

Which Cadillac CTS key fits your vehicle?

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Compatible keys for Cadillac CTS

Years	Key
2005-2007	M3N65981403 15212383 315MHz 46 Chip Remote Control for Cadillac STS CTS SKU: PCK-CA-2026
2008-2014	M3N5WY7777A 315MHz 46 Chip Smart Key for Chevrolet Corvette Cadillac STS CTS SKU: PCK-CA-2027-P
2011-2014	5WY-8423 20940389 433MHz 46 Chip 3+1 Button (Trunk) Smart Key for Cadillac CTS SKU: PCK-CA-2020-P
2008-2013	TAL-5WY8423 433MHz 46 Chip 4+1 Button (SUV) OEM Smart Key for Cadillac CTS SKU: PCK-CA-1006
2008-2013	5WY-8423 433MHz 7952 Chip 3+1 Button (SUV) OEM Smart Key for Cadillac CTS SKU: PCK-CA-1004
2008-2013	M3N5WY7777A 315MHz 7952 Chip 3+1 Button (Trunk) OEM Smart Key for Cadillac CTS DTS STS SKU: PCK-CA-1001
2008-2014	M3N5WY7777A 315MHz 46 Chip 4+1 Button (Trunk) Smart Key for Cadillac CTS STS SKU: PCK-CA-2023-P
2008-2013	OUC6000066 315MHz 4+1 Button (Trunk) Smart Remote Key for Cadillac CTS SKU: PCK-CA-2021-P

Before you order

Match the year range — Cadillac changed key systems across model years. Check your registration year.
Check your current key — the OEM number printed on your key matches the table above.
Programming — smart keys need a compatible programmer (Xhorse, VVDI, Autel). We can advise which one works for each key.

Frequently asked questions

Which key fits my Cadillac CTS?

The Cadillac CTS (2005-2007) uses the M3N65981403 15212383 315MHz 46 Chip Remote Control for Cadillac STS CTS (SKU PCK-CA-2026). Check the table above for all compatible options, verified against OEM part numbers.

Do you supply Cadillac CTS keys wholesale?

Yes. We supply locksmiths and key distributors at wholesale prices with MOQ from 5 units. Message us on WhatsApp for today's price list.

Can a Cadillac CTS key be programmed without the dealer?

In most cases yes, using tools like Xhorse, VVDI or Autel. We can advise the right programmer for each key SKU.

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