- (214) 717-6398
- info@dfwkeys4cars.com
- Mon - Fri: 9:00 - 18:30
GMC Terrain Key Replacement
GMC Terrains have been on Dallas–Fort Worth roads since the 2010 era, and across 3 key generations this model has used 3 different key systems — flip key (with transponder); transponder hitag 2 ext / ~id46, id46e / nxp pcf7937e; smart-proximity (peps). Whichever yours is, DFW Keys 4 Cars cuts and programs it at your location, 24/7: spare keys, lost-everything replacements, fob programming, and lockouts. Call (214) 717-6398.
About Terrain Keys
The table below is our verified key reference for the GMC Terrain — model years, key types, and the transponder/immobilizer family each generation uses. Generations overlap at boundary years, and trim levels (keyed vs. push-to-start) can differ within the same year, so we always confirm the exact part by VIN before dispatching.
| Model / Generation | Years | Key Type | Transponder / Immobilizer | Blade / FCC |
|---|---|---|---|---|
| Terrain | 2010–2017 | Flip key (with transponder) | Hitag2 Extended / ID46E (PCF7937E) | HU100 — FCC OHT01060512 |
| GMC TERRAIN | 2010-2019 | Transponder Hitag 2 Ext / ~ID46, ID46E / NXP PCF7937E | ||
| Terrain | 2018–2022 | Smart-proximity (PEPS) | Hitag2 Ext / ID46E | emergency blade — FCC HYQ1EA / HYQ1ES (confirm by VIN) |
Security System & Immobilizer
GMC trucks follow GM’s security ladder — VATS, PassLock, PK3/PK3+ transponders, ID46 Circle+ keys, and modern proximity fobs — each with its own programming path our equipment covers.
On the Terrain specifically, the immobilizer families we see are: Hitag2 Extended / ID46E (PCF7937E), Hitag2 Ext / ID46E. A key that is cut correctly but not programmed to this system will turn the locks and never start the engine — programming is the half of the job that matters.
Which key does your year have?
- 2010–2017: Flip key (with transponder) — Hitag2 Extended / ID46E (PCF7937E) (HU100 — FCC OHT01060512)
- 2010-2019: Transponder Hitag 2 Ext / ~ID46, ID46E / NXP PCF7937E
- 2018–2022: Smart-proximity (PEPS) — Hitag2 Ext / ID46E (emergency blade — FCC HYQ1EA / HYQ1ES (confirm by VIN))
Our Terrain Key Services
- Key replacement — lost, stolen or broken Terrain keys cut from code and programmed on-site, including all-keys-lost by VIN
- Spare key duplication — the cheap insurance; most Terrain spares are done in one short visit
- Fob & transponder programming — remotes, fobiks and smart keys paired to the immobilizer, including proximity fobs
- Lockout service — damage-free entry when the keys are inside, 24/7
- Ignition repair — worn cylinders and keys that won’t turn
GMC Terrain Key FAQ
I lost the only key to my Terrain. What now?
We come to the vehicle, verify ownership, cut a new key from the VIN, and program it on-site. No tow, no dealer wait — this is our most common Terrain call.
My Terrain is push-to-start. Can you really program that outside the dealer?
Yes. Late-model Terrains (2018–2022) use a proximity smart key on the Hitag2 Ext / ID46E system — our trucks carry the fobs and the programmer. We cut the emergency blade too.
My Terrain is older — do you still stock keys for it?
Yes. We carry blanks and chips going back to the 2010–2017 generation (flip key (with transponder)), and a code-cut fresh key usually turns a worn lock better than any copy of your worn key.
How fast can you reach my Terrain in DFW?
We dispatch the nearest mobile unit across the whole metroplex, 24/7. Call (214) 717-6398 with your location and we’ll give you an honest ETA.