I hooked my car up to my scan tool and I have no communication to the ECM. what could be the reason I have no communication to it?
Aug 17, 2017 at 1:19 PM
Lost communication with the ECM
2007 CHEVROLET COBALT
KYLE POWELL
- MEMBER
- 1 POST
- FOLLOW
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.
Advertisement
The main reason for no communication is a blown fuse to the ECM or BCM.
Here is the location of the fuse panel and a guide to help you check them:
https://www.2carpros.com/articles/how-to-check-a-car-fuse
If all fuses check out then I would suspect a bad ECM.
Please let us know what happens so we can keep helping you.
Cheers, Ken
Here is the location of the fuse panel and a guide to help you check them:
https://www.2carpros.com/articles/how-to-check-a-car-fuse
If all fuses check out then I would suspect a bad ECM.
Please let us know what happens so we can keep helping you.
Cheers, Ken
Images (Click to enlarge)
Aug 18, 2017 at 12:21 PM
Advertisement