Key fob not working

2003 VOLKSWAGEN PASSAT
146,000 MILES • 2.8L • 6 CYL • 4WD • AUTOMATIC
Avatar
STEVENGGG
  • MEMBER
  • 1 POST
Changed battery in fob car went into immobilizer active.
Dec 30, 2018 at 10:09 PM
Advertisement
Avatar
DANNY L
  • ✓Experienced Mechanic
  • 5,648 POSTS
Hello, I'm Danny.

Let's try an anti-theft reset first. Scroll to the bottom of the page to find the VW settings. Here's the link:

https://www.2carpros.com/articles/how-to-reset-a-security-system

Let me know if this helps and thanks for using 2CarPros.
Danny-
Dec 31, 2018 at 4:44 AM
Avatar
DANNY L
  • ✓Experienced Mechanic
  • 5,648 POSTS
Hello again.

I'm also adding a key fob reprogramming tutorial for you.

https://www.2carpros.com/articles/how-to-re-program-a-key-remote-fob

Hope this helps as well and thanks again for using 2CarPros.

Danny-

Jun 3, 2021 at 5:11 AM
Join 2CarPros for free, one of the most advanced car repair communities on the internet. From first-time drivers to seasoned mechanics, everyone is welcome to reply, share details, and get better answers. You can add a temporary image or video first; uploads are limited to 20 MB.
Ask a Free Question
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.