ECM Communication Stop Mode [08/2013 - ]: Description

WARNING: This page is about a different car, the 2014 Lexus ES 300h. However, it is still accessible from the selected car via links, so may be relevant.

Detection Item	Symptom	Trouble Area
ECM Communication Stop Mode	Either condition is met: "ECM (Engine)" is not displayed on the CAN Bus Check screen of the Techstream. Refer to PROBLEM SYMPTOMS TABLE [08/2013 - ] 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 [08/2013 - ]	Power source circuit of ECM ECM main line or connector ECM ground circuit ECM