Guide · GMC
GMC Terrain Key Replacement Guide
Last updated: September 2026 · Verified against OEM part numbers
Quick answer — GMC Terrain
The GMC Terrain (2018-2021 and other model years) uses the HYQ1AA smart key — 315 MHz (SKU PCK-CV-2032-P) — verified against the original OEM part number. See every compatible option in the table below.
- OEM part number: HYQ1AA
- Frequency: 315 MHz
- Key type: Smart Key
- Years covered: 2018-2021 and other model years
- Wholesale: MOQ 5 units per SKU, models mixable in one order
Compatible keys for GMC Terrain
| Years | Photo | Key |
|---|
| 2018-2021 | — | No Badge HYQ1AA 315MHz 4+Panic Button (Rear Hatch) Smart Key for GMC Chevrolet SKU: PCK-CV-2032-P |
| 2018-2020 | — | No Badge HYQ1AA 315MHz 46 Chip 2+Panic Button Smart Key for GMC Chevrolet SKU: PCK-CV-2030-P |
| 2021-2024 | — | HYQ1AS 13522897 315MHz 46 Chip 2+1 Button Smart Key for GMC Terrain SKU: PCK-GC-2008-P |
| 2023-2024 |  | HYQ1AS 13522899 315MHz 46 Chip 4+1 Button (Rear Hatch) Smart Key for GMC Terrain SKU: PCK-GC-2016-P |
| 2022-2024 | — | HYQ1AS 13522898 315MHz 46 Chip 3+1 Button (Start) Smart Key for GMC Terrain SKU: PCK-GC-2012-P |
| 2018-2020 | — | HYQ1AA 315MHz 46 Chip 3+1 Button (Start) Smart Key for GMC Terrain SKU: PCK-GC-2013-P |
| 2018-2020 | — | HYQ1EA 433MHz 46 Chip 3+1 Button (Start) Smart Key for GMC Terrain Acadia SKU: PCK-GC-2015-P |
| 2018-2021 | — | HYQ1AA 13584502 315MHz 4+Panic (Rear Hatch) Smart Key for GMC Terrain SKU: PCK-GC-2017-O |
| 2018-2020 | — | HYQ1AA 13591388 315MHz 46 Chip 2+Panic Button Smart Key for GMC Terrain SKU: PCK-GC-2009-O |
Before you order
- Match the year range — GMC 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 GMC Terrain key?
The GMC Terrain 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 GMC Terrain?
The GMC Terrain (2018-2021) uses the No Badge HYQ1AA 315MHz 4+Panic Button (Rear Hatch) Smart Key for GMC Chevrolet (SKU PCK-CV-2032-P). Check the table above for all compatible options, verified against OEM part numbers.
Do you supply GMC Terrain 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 GMC Terrain 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.
Related: All GMC keys · All guides · Key Finder
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