Code U0100

2006 HOLDEN COMMODORE
10,873,995 MILES • 3.6L • V6 • 2WD • AUTOMATIC
Avatar
SAMUAL
  • MEMBER
  • 2 POSTS
Lost communications from the ECM to the PCM “A”.
Oct 28, 2018 at 12:19 AM
Advertisement
Avatar
STRAILER
  • ✓ASE Certified Mechanic
  • 54,832 POSTS
  • ASE Certified Mechanic
That is a lot of miles? ECM to PCM? They are the same thing can you tell me more about what is going on? Cheers, Ken
Oct 29, 2018 at 10:00 AM
Avatar
SAMUAL
  • MEMBER
  • 2 POSTS
This is what is coming up on the scan tool “U0100” .
Oct 29, 2018 at 3:47 PM
Avatar
STRAILER
  • ✓ASE Certified Mechanic
  • 54,832 POSTS
  • ASE Certified Mechanic
Yes it means the CAN or computer is down. I would try to find a used computer and plug it in. Check out the diagrams (below). Please let us know what happens.

Image (Click to enlarge)
Professional Diagram for 2CarPros Members
Click here to log in and view diagram.
Oct 30, 2018 at 12:03 PM
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.