U0100 Lost Communication With ECM/PCM "A" Code
Lost Communication With ECM/PCM "A" What does that mean? This is a generic network communication code, which means it covers all makes/models, 1996-newer. However, specific …
Service Stabilitrak at Start, Code U0100-71 - Chevrolet Cruze Forums
Jul 12, 2022 · U0100-71 code I recently bought a 2014 Chevy Cruze with the 1.8L engine. I had it for 3 days before it began alerting to service the stabilitrack and traction control. When this …
No crank and U0100 Lost Communication With ECM
Aug 13, 2019 · Connecting an OBD-II scanner gives the code U0100 Lost Communication With ECM/PCM "A". Turning the key in the ignition gives no crank and no click of the starter …
Car won't start or crank, U0100 - U0101 - already replaced battery
Dec 19, 2015 · I stopped by a local dealership and their service desk was kind enough to print out a small pile of documents regarding the U0100 and U0101 errors. Based on GM document …
U0100 - No Crank/No Start - Service... - Chevrolet Cruze Forums
Jul 25, 2025 · Hello folks, Late to the party on this one! I have a 2014 1.4L LT Chevy Cruze with less than 100,000 km on it. No crank or start, typical dash warning messages except with …
Code P0300 and U0100 - Chevrolet Cruze Forums
Sep 24, 2018 · The generic OBD trouble code U0100 is a serious situation where the signals between the electronic control module (ECM) or the powertrain control module (PCM) and a …
What Causes U0100 Code No Communication To ECM? - JustAnswer
I'm getting U0100 code that says no communication to ecm, what could cause this? 2010 Malibu LTZ 3.6. Not recently no.
Chevy U0100-7F: Troubleshooting Engine Control Module …
The U0100-7F code indicates lost communication with the engine control module (ECM), often caused by low voltage or wiring faults. Inspect fuses related to the ECM and power steering …
ECM Issue U0100 and P0700 Negative Cable - Chevrolet Cruze …
Dec 22, 2016 · I threw on a diag reader and got U0100 and P0700 as codes. U0100 being ECM communication issue and P0700 issue being TCM communication. This leads me to believe …
U0100 Code on 2013 Chevy Cruze? Expert Troubleshooting Help
The Mechanic can help with your 2013 Chevy Cruze's U0100 ECU communication issue. And, how would you like to connect with the Mechanic - phone call or online chat?