Starts and then turns off, giving the code U0073.
Mar 17, 2018 at 6:18 PM
Control module code U0073
2011 GMC ACADIA
ARIV
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Hello,
This codes mean bus A is not working which is the communication between computers is not working. This could be because a fuse let go or the PCM or BCM is out and needs to be replaced. Lets start by checking the fuses.
Here is a guide to help us get started:
https://www.2carpros.com/articles/how-to-check-a-car-fuse
Check out the diagrams (below).
Please let us know what you find. We are interested to see what it is.
Cheers, Ken
This codes mean bus A is not working which is the communication between computers is not working. This could be because a fuse let go or the PCM or BCM is out and needs to be replaced. Lets start by checking the fuses.
Here is a guide to help us get started:
https://www.2carpros.com/articles/how-to-check-a-car-fuse
Check out the diagrams (below).
Please let us know what you find. We are interested to see what it is.
Cheers, Ken
Images (Click to enlarge)
Mar 19, 2018 at 11:58 AM