4WD Control ECU Communication Stop Mode [11/2017 - ]: Description

Detection Item	Symptom	Trouble Area
4WD Control ECU Communication Stop Mode	Either condition is met: Communication stop for "Four Wheel Drive Control" is indicated on the "Communication Bus Check" screen of the Techstream. Refer to PROBLEM SYMPTOMS TABLE [11/2017 - 08/2018] , or refer to PROBLEM SYMPTOMS TABLE [08/2018 - ] Communication system DTCs (DTCs that start with U) that correspond to "4WD Control ECU Communication Stop Mode" in "DTC Combination Table" are output. Refer to DTC COMBINATION TABLE [11/2017 - 08/2018] , or refer to DTC COMBINATION TABLE [08/2018 - ]	Power source or inside 4WD ECU assembly 4WD ECU assembly ground circuit 4WD ECU assembly branch wire and connector 4WD ECU assembly

HINT:

For AWD only.