Duplicate GMC Key
Need a spare? We cut and program GMC keys so you always have a backup for family members, employees, or peace of mind.
GMC Sierra Key Replacement Austin Texas - (512)523-4550
Losing your GMC Sierra key, breaking it inside the ignition, or getting locked out of your truck can bring your day to a sudden stop. Our mobile GMC Sierra locksmith service in Austin is designed to fix that quickly. We specialize in fast, on-site Sierra key replacement, chip programming, ignition repairs, and emergency lockout assistance. Whether you drive an older Sierra with a traditional key or a newer push-to-start model with a smart fob, we bring all cutting machines, programmers, and tools directly to your location. No towing, no dealership wait times—just quick, professional help wherever you are.
Contents
GMC Sierra Key Replacement Services
The GMC Sierra is a favorite among Austin truck owners thanks to its durability and strength, but even the toughest trucks run into key issues. If your Sierra key is lost, damaged, or broken, we provide full mobile replacement for metal keys, transponder keys, laser-cut keys, and smart fobs. We work with Sierra models of every generation, from older work trucks to the latest push-to-start editions.
If you’ve lost all your keys, we can still create a new one by using your VIN number to retrieve the correct factory key code. To understand how VIN-based key cutting works, see this guide to VIN numbers. If you're comparing locksmith service to dealership options, visit this list of local GMC dealers.
GMC Sierra Key Duplication and Programming
If you still have a working Sierra key, duplicating it now can prevent future emergencies. We cut metal keys, program new transponder keys, and set up backup smart fobs for newer models. Every key is tested on your Sierra before we leave.
Hardware stores can copy a basic Sierra key blade, but they cannot program chips or smart systems. If your Sierra requires a programmed chip, a simple copy won’t start the truck. We handle both cutting and programming in one visit. Learn more about chip keys in this transponder key guide. For planning spare keys, check this duplication guide.
GMC Sierra Ignition Repair and Replacement
GMC Sierra owners often experience ignition wear due to heavy usage or worn key wafers. Symptoms include difficulty turning the key, a key stuck in the ignition, or the ignition not rotating at all. Instead of towing the truck to a dealer, we repair or replace Sierra ignitions directly on-site.
We rebuild damaged cylinders, extract broken keys, and install new ignitions matched to your existing key. For more ignition information, see this ignition repair overview.
Transponder and Smart Key Services
Modern GMC Sierra trucks (especially from 2014 onward) commonly use high-security transponder keys or smart fobs. If your key won’t start the truck, the chip may be corrupted or out of sync with the immobilizer. We diagnose chip problems, program new keys, clone existing chips, and reset security systems.
For push-to-start Sierras, we program smart fobs, repair faulty fobs, replace fob batteries, and sync the system if the truck isn't detecting the remote. Learn more about keyless systems at this keyless entry guide.
Proximity Keyless Entry System Assistance
Newer Sierra models rely on proximity sensors for keyless entry, remote start, and push-button ignition. If your Sierra fails to detect the key fob or the remote stops responding, we diagnose the fob, replace batteries, repair internal components, and reprogram it to your truck.
To understand how proximity technology works, review this proximity entry resource.
Pricing and Service Call Information
Pricing varies depending on Sierra model year, key type, and ignition condition. The service call includes travel anywhere in Austin. After diagnosing the situation, the technician provides a final, accurate quote before starting any work.
| Service Type | Description | Price |
| Service Call | Arrival anywhere in Austin | $29 |
| Basic Sierra Key Replacement | Cutting a metal or laser key | $80 – $160 |
| Transponder Sierra Key Replacement | Cutting and chip programming | $120 – $220 |
| Smart Fob Replacement | Programming and pairing for push-start models | $180 – $350 |
| Spare / Duplicate Key | Backup metal key or programmed fob | $60 – $200 |
| Lockout Service | Non-destructive GMC Sierra door unlocking | $49 – $110 |
| Ignition Repair | Fixing worn wafers and sticking cylinders | $130 – $260 |
| Ignition Replacement | New ignition keyed to your Sierra | $260 – $420 |
| Broken Key Extraction | Removing snapped keys from ignition or door | $75 – $150 |
All prices are estimates. Final pricing depends on the Sierra’s year, key type, and lock condition. A final quote is provided after diagnosis.
Frequently Asked Questions
Can you replace my GMC Sierra key if I lost the only one?
Yes. Using your VIN, we can generate a new Sierra key after verifying ownership.
Do Sierra trucks use transponder keys?
Many Sierra models do, especially from the early 2000s onward. Later years use smart fobs.
Can you unlock my truck if the keys are locked inside?
Yes. We offer fast, damage-free lockout service. For tips, see this lockout article.
Why won’t my Sierra key turn in the ignition?
The ignition may be worn or damaged. We can repair or replace it on-site.
Can you duplicate my Sierra smart key?
Yes. We program duplicate fobs for all Sierra model years that use them.
Do you need my VIN?
The VIN helps us retrieve the correct key code. Learn more at this VIN guide.
Is it cheaper to call a locksmith or a dealer?
Locksmith service is usually faster and less expensive, with no towing required.
What if my key broke in the ignition?
We extract broken keys and repair or replace the ignition if needed.
How long does Sierra key replacement take?
Most keys take 25–45 minutes from the time we arrive.
Should I get a spare key?
Yes. A spare key saves time, money, and unnecessary emergencies. See this spare key guide.
Conclusion
GMC Sierra owners across Austin rely on fast, mobile locksmith services to stay on the road. Whether you’re hauling equipment, driving for work, or running errands, key and ignition issues can interrupt your day. Our mobile team provides new keys, chip programming, ignition repairs, and lockout assistance anywhere in Austin.
We serve Austin, Round Rock, Georgetown, Leander, Cedar Park, Pflugerville, Buda, Kyle, Hutto, Lakeway, Bee Cave, and San Marcos. Common ZIP codes include 78701, 78704, 78721, 78723, 78741, and 78745.