ECM Communication Stop Mode (07/2015 -): Description

Detection Item	Symptom	Trouble Area
ECM Communication Stop Mode	Either condition is met: "ECM (Engine) and TCM" is not displayed on the CAN Bus Check screen of the Techstream (Refer to PROBLEM SYMPTOMS TABLE (07/2015 -) ) Communication system DTCs (DTCs that start with U) that correspond to "ECM Communication Stop Mode" in "DTC Combination Table" are output (Refer to DIAGNOSIS SYSTEM (07/2015 - 08/2016) Refer to DIAGNOSIS SYSTEM (08/2016 -) )	Power source circuit of ECM ECM main line or connector ECM ground circuit ECM