SOLVED - No start, dash icons illuminated & numerous service messages

[JediCordo]

Reading more instances through this site; inspection of the grounding system should be my next task.

 

[Oh Kee Pah]

The issue originally posted about has NOT reappeared since the problem was "fixed."

I would still suggest considering a new Negative Cable Harness Assembly. That's basically your connection between the battery and brains. I feel that can be a faulty part in our vehicles, worth checking out...

 

[JMiner]

The issue originally posted about has NOT reappeared since the problem was "fixed."

I would still suggest considering a new Negative Cable Harness Assembly. That's basically your connection between the battery and brains. I feel that can be a faulty part in our vehicles, worth checking out...

I have a 2015 Suburban LTZ & my gauges were going crazy, service abs, stabilitrack, 4X4, every light was on, was in “Limp mode” no power steering (Power Steering Reduced alert on dash) wouldnt shift or start on occasion (gear indicator light flashing and clicking in dash) mainly after going through excessive rain/puddles but also if hit any potholes & even sometimes randomly while driving. A few times i could park and let it sit for about 15 mins and it would be ok for a short while then do it all over again. After hours of diag at a shop (no bus communication) they replaced the EBCM (Electronic Brake Control Module) & it fixed everything. There was also a few warning lights afterwards that were on caused by a connector that needed to be cleaned. Now everything works fine now dealership list price on the part was like $800, around $200 for the reprogram & expect some potential brake lines if they dont come out easy.