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🔐 Lock your ride’s digital keys — because your GM deserves elite protection!
The VTT OBD-Lock Version 2 is the original, trusted OBD port locking tool designed exclusively for GM vehicles. Made from premium aluminum with a precision fit, it prevents vehicle theft by blocking unauthorized access to the OBD port, stopping key cloning and ECU tampering. Featuring proprietary anti-tamper screws and specialized tools for quick installation and removal, it’s the ultimate security upgrade for any GM owner serious about protecting their investment.










| ASIN | B0DCZT5RZC |
| Additional Features | anti-theft |
| Best Sellers Rank | #70,545 in Automotive ( See Top 100 in Automotive ) #364 in Code Readers & Scan Tools |
| Brand | VTT |
| Brand Name | VTT |
| Color | Red |
| Control Method | Touch |
| Customer Reviews | 4.4 out of 5 stars 103 Reviews |
| Finish Types | Unfinished or Anodized Finish |
| Global Trade Identification Number | 00850062232068 |
| Included Components | One Billet T-Handle tool, One VTT Tool to match screws, Tool holder Key Chain, Window Cling to warn would be thieves, Two VTT proprietary Anti Tamper Screws, Two-Part Billet OBD Port Lock |
| Item Dimensions | 2 x 2 x 1 inches |
| Item dimensions L x W x H | 2 x 2 x 1 inches |
| Lock Type | Proprietary |
| Manufacturer | VTT |
| Manufacturer Part Number | VTT-OBD-LOCK-GM-2 |
| Material | Aluminum |
| Material Type | Aluminum |
| Model Name | VTT OBD Lock GM VERSION 2 |
| Model Number | VTT-OBD-LOCK-GM-2 |
| Number of Pieces | 1 |
| Recommended Uses For Product | Automotive Anti-Theft |
| Shape | Rectangular |
| Smart Home Compatibility | Not Smart Home Compatible |
| Special Feature | anti-theft |
| Style Name | Modern |
| Unit Count | 1.0 Count |
K**E
Security & Quality
Checked Camaro & Corvette forums for recommendations. VTT had the majority & it's a USA company so I went with them. Arrived quickly, is very solid & is super easy to install. Based on reviews, expected it might be tighter (harder to get on/off) around the OBD port, but still very secure. Now we can worry less leaving the top down when parked in public.
A**N
Great Investment!
I have a 2021 Sierra 2500HD AT4. I’ve been seeing how quickly many vehicles have been getting stolen all from the OBD2 port and a tablet. I mean like in 5 minutes or less your ride is gone. That being said, $100 for this is a tough pill to swallow. However some peace of mind is worth it! I’d rather not deal with insurance on a trashed stolen truck worth 100K and get a check for “current market value” from insurance. This port lock is really well made. Great quality and machined wonderfully. I don’t know about version 1 of this product but version 2 is really made of nice pieces and a truly snug fit. I’d imagine if someone wants to steal something badly enough they’ll find a way. This however should slow them down for sure. They’re not going to be carrying the bits they need to get this off that for sure. If they want to mangle OBD2 in the process, they can have fun. Truly a well thought out product and a nice piece. Beats all the plastic ones I’d been seeing no doubt about that. Well done, VTT!!
R**.
Makes it Secure
Was easy to install once I watched the video. It seems to be a good product, I like the red visibility. Seems well made and does the job better than the plastic ones.
J**G
Nice peace of mind
Keeps an unauthorized person from accessing your ODB port and potentially stealing your vehicle.
R**D
Fits Silverado perfectly
Locks firmly in place in my 2020 Silverado. Seems like it will do the job as designed.
T**Y
Need a little more improvement Key already rounding off.
Key does not easily align with screw. Notice key teeth rounding. DO NOT OVER TEIGHT. need more than 2 say 3.
B**Y
It makes it one more step harder for the thief.
A little pricey but gets the job done.
A**R
Fantastic OBD Lock for the C8 ZO6.
This OBD lock is fantastic, built very well and worth every penny. I love the reviews where people complain about "price" LOL. $80.00 to protect a car that costs much more, in my case 150k jut saying. If you care about your C8 Corvettes and model especially the ZO6 that has been known to be easily stollen by accessing the OBD port, then ay the silly $79.00 and get one. You will not regret it.
M**O
good quality - a bit fiddly to intall
Very tricky to install, but goes on well and would be difficult to remove without the tool!
K**E
Very well made
Pretty expensive for what you get. But it is well made and fits securely over the OBD port. Is a good deterrent.
A**R
Anti theft
Good quality product, my version of the Holden Commodore are frequently being stolen, so any deterrent is helpful, easy to install
T**S
Car hasn't been stolen
My Commodore is currently the most stolen car in Australia and, so far, I still have mine so I guess it works
R**T
I'm pleased to report that it actually saved my car!
I bought and installed one of these OBDII Locks about 5 weeks ago. In the last few days someone tried to steal my car from Melbourne Airport under cover parking. They spent quite some time trying to get past the lock, going by the amount of damage to it. But they were unsuccessful! When I bought it, I thought the lock was way over priced for what it is, but it has paid for itself.
Trustpilot
1 week ago
2 weeks ago