Sep 28, 2022 · 2007 Escalade Having Communication Issues Vehicle Still Runs And Drives ! locks going on and off Gauges going crazy Slow acceleration Hesitant shifting ABS Light CEL Light …

Dec 28, 2010 · Re: Check Engine Code U0100 Hello Restomod, Welcome to the forum! I am sorry to hear of the vehicle issue you've encountered. If you would like my assistance throughout the process …

Feb 13, 2021 · This code U0100 popped up last week when I started the truck, but it drove fine. I do have an unlocked pcm with a Hemifever tune. Couple weeks ago i installed a new tune for my long …

Jun 21, 2024 · Hi Everyone, I have been chasing my tail for some time now and am hoping someone could shed some light on my issue. I have been searching through the forum with no luck as of yet. I …

Aug 8, 2022 · Fixing PCM communication error - no-crank & radio giving anti-theft code error

Feb 2, 2019 · The truck never went into eco mode so I took it back home. I read the code and it was U0100. Letting the truck off for 3 hours the code is still there. Any of you had this issue? Truck is a …

Feb 16, 2025 · U0121 U0100 U11BC U1110 U0140 - this one, for the BCM, truck has had it for years, since being repaired after an accident, never poses a check engine or anyt issue, and it's last on the …

Oct 5, 2016 · Car is Dead - Cannot Connect to ECM - U0100 - help? Jump to Latest 40K views 27 replies 10 participants last post by payne Feb 14, 2018 P

Mar 11, 2024 · U0100-00 Lost Communication With ECM/PCM : No Sub Type Information 4 Electronic Shifter Module Codes P1C8C-16 System Voltage : Circuit Voltage Below Threshold P1C8B-16 …

Jul 31, 2018 · Iam getting the code u0100 says ecm/pcm has no communication customer states the car just shut off.well to start off if keeps getting rained in becaues the sunroof leaks fixed that today.ok …