Some vehicles have security gateways that block certain programming functions through the OBD-II port. A bypass cable provides an alternate connection path that allows supported tools to communicate with the vehicle computer.

The connection point varies by vehicle. The app and demonstration videos show the location. If having trouble, let us know your vehicle's year, make and model and we'll show the exact location where to plug the bypass cable.

Yes. The bypass cable is a rental item must be returned together with the PMK programmer in order to receive your security deposit refund.

Most customers get a replacement key with the programming tool and bypass cable for $150 to $225 USD, depending on the vehicle and key type.

Call technical support (M-F regular business hours). Phone number is in the app. Be at your vehicle and ready to program. If you need to chat or email us, include the:

• VIN
• Photos of the cable connection
• Photos of the key being used
• Screenshots or photos of any error messages

It's easy. If you can drive a car, use an app, and follow directions, you'll be just fine. No engineering degree required.

No problem! Programming with the bypass cable does not require a working key. We just need proof of ownership, keeping your car yours.

Key By Photo is a service that lets you take photos of your key and upload them through our portal. Once submitted, we'll cut your new key within 24–48 hours before shipping. Easy as point, click, done.

Yes! As long as your existing key still starts the vehicle, the new key will have fully working remote buttons after programming. Your thumbs will thank you.

No. The key must be compatible with your vehicle, because not all keys speak the same language.

If you have working keys, it's a good idea to have them available during programming. Some vehicles like to meet the whole family.

Yes. Your phone needs an internet connection to use the app and complete programming. No signal, no magic.