Guide · Cadillac

Cadillac ATS Key Replacement Guide

Last updated: August 2026 · Verified OEM part numbers

Quick answer: The Cadillac ATS (2015-2019) uses the HYQ2EB 433MHz 46 Chip 2+1 Button Smart Key for Cadillac ATS (SKU PCK-CA-2008) — verified against OEM part numbers. See the full compatibility table below.

Which Cadillac ATS key fits your vehicle?

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Compatible keys for Cadillac ATS

Years	Key
2015-2019	HYQ2EB 433MHz 46 Chip 2+1 Button Smart Key for Cadillac ATS SKU: PCK-CA-2008
2013-2014	NBG009768T 22856930 315MHz 46 Chip 4+1 Button (Trunk) Smart Key for Cadillac ATS XTS SKU: PCK-CA-2022-P
2015-2019	HYQ2AB 13594024 315MHz 46 Chip 4+1 Button (Trunk) Smart Key for Cadillac ATS CTS XTS
2015-2019	HYQ2EB 13510243 433MHz 46 Chip 4+1 Button (Trunk) Smart Key for Cadillac ATS CTS XTS SKU: PCK-CA-2013
2015-2019	HYQ2AB 315MHz 46 Chip 3+1 Button (Trunk) Smart Key for Cadillac ATS CTS SKU: PCK-CA-2009
2015-2019	HYQ2EB 433MHz 46 Chip 3+1 Button (Trunk) Smart Key for Cadillac ATS SKU: PCK-CA-2010

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 ATS?

The Cadillac ATS (2015-2019) uses the HYQ2EB 433MHz 46 Chip 2+1 Button Smart Key for Cadillac ATS (SKU PCK-CA-2008). Check the table above for all compatible options, verified against OEM part numbers.

Do you supply Cadillac ATS 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 ATS 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.

Ready to order a Cadillac ATS key?