2009 GM Truck No Crank, Serial Data Problem.

This GMC Sierra had a history of the dash going dead and then it would not crank. Several parts were replaced trying to fix this. The problem turned out to be no communication with any module on the Serial data circuit due to a failed Air Bag control module shorting out the network.
part 2 is here: • 2009 GM Truck Air Bag ...

[@FullFaithRepair]

Another solid diag Phillip! ...its awesome watching your process, thanks for posting!

[@oldbiker9739]

that was amazing Phillip ,simply amazing .hats off to you sir .

[@Ricky-kp5ys]

Thank you again for taking the time to make and post your videos always appreciated and great content. I like the process you use it seems like you’re never flustered or overwhelmed you stick to facts and stay focused on your course.

[@8power0]

GREAT VIDEO ,, NEW SUBSCRIBER HERE , HOPE TO SEE MORE OF YOUR VIDEOS . GM 👀CAN DIAGNOSTICS IS NOT THE EASIEST FOR ME PERSONALLY SO TRULY LIKE LEARNING FROM YOUR CAN DIAGNOSTIC VIDEOS THANK YOU SO MUCH FOR YOUR TIME .!!!!!!!!!!👍👍👍

[@pmsprivatemanagementsoluti5440]

Having same issue thanks about to check that now.

[@timtaylor7106]

Thank you ,the BCM is gateway to other mods very helpful to me

[@manoramachandran9192]

Thank you sir for your time

[@danman9017]

cool video and good diagnostic tks

[@stevenjames7073]

Nice work

[@kmtischer]

It seems every video of yours I watch, your barking at snapon to include a topology map with their scanner. Apparently they don't watch your videos. Good stuff and good video.

[@spinb]

I can't get over how much flakey salt ended up under the seat. I've never seen anything like that.

[@Abdu-Mechanic1]

what jumper did you put there is it Power, GROUNd or Signal from another good source

[@PhillipBailey]

The splice pack connects all the green data wires together. I systematically connected the green wires together.