U1000 Diagnostic Trouble Code Discussion for September 2016
Class 2 Communication Malfunction
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| Help Request | Posted | |
| 2010 Buick LaCrosse CXL 3.0L MIL Lamp on VIN: 1G4GC5EG4A U1000: Lost comm with ECM stored in TCMEBCMPBCMBCM. Vehicle came in with check engine light on and traction control light on. Also drivability issues but I know transmission goes into default gears when U0100 is stored in TCM. Did a full system charging test which resulted in no problems and have driven the veh... |
September 09, 2016 |
