Cadillac CTS Key Replacement Guide
Last updated: September 2026 · Verified against OEM part numbers
Quick answer — Cadillac CTS
The Cadillac CTS (2005-2007 and other model years) uses the M3N65981403 key — 315 MHz (SKU PCK-CA-2026) — verified against the original OEM part number. See every compatible option in the table below.
- OEM part number: M3N65981403
- Frequency: 315 MHz
- Years covered: 2005-2007 and other model years
- Wholesale: MOQ 5 units per SKU, models mixable in one order
Which Cadillac CTS key fits your vehicle?
💬 Ask on WhatsAppCompatible keys for Cadillac CTS
| Years | Photo | 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
What frequency is the Cadillac CTS key?
The Cadillac CTS key operates on 315 MHz. Frequency is fixed in the key hardware and cannot be reprogrammed — a key bought on the wrong frequency will not lock, unlock or start the car.
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.
Ready to order a Cadillac CTS key?
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