ECM Communication Stop Mode [10/2016 - 10/2017]: Description

Detection Item	Symptom	Trouble Area
ECM Communication Stop Mode	Either condition is met: Communication stop for "ECM (Engine)" is indicated on the "Communication Bus Check" screen of the Techstream. Refer to PROBLEM SYMPTOMS TABLE [10/2016 - 09/2020] Communication system DTCs (DTCs that start with U) that correspond to "ECM Communication Stop Mode" in "DTC Combination Table" are output. Refer to DTC COMBINATION TABLE [10/2016 - 10/2017]	ECM main line or connector Power source circuit of ECM ECM ground circuit ECM