Code U0100

2006 HOLDEN COMMODORE
10,873,995 MILES • 3.6L • V6 • 2WD • AUTOMATIC
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SAMUAL
  • MEMBER
  • 2 POSTS
Lost communications from the ECM to the PCM “A”.
Oct 28, 2018 at 12:19 AM
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STRAILER
  • CAR REPAIR CONTRIBUTOR
  • 54,316 POSTS
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
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SAMUAL
  • MEMBER
  • 2 POSTS
This is what is coming up on the scan tool “U0100” .
Oct 29, 2018 at 3:47 PM
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STRAILER
  • CAR REPAIR CONTRIBUTOR
  • 54,316 POSTS
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.

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Attached Media
Oct 30, 2018 at 12:03 PM
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.