DTC U0129 Lost Communication with Skid Control ECU: Description

WARNING: This page is about a different car, the 2008 Toyota Yaris. However, it is still accessible from the selected car via links, so may be relevant.

The combination meter assembly receives signals from the skid control ECU through the CAN communication system.

DTC TROUBLE DETECTION CONDITION CHART

DTC No.	DTC Detecting Conditions	Trouble Areas
U0129	When either of following conditions detected: 15 seconds have elapsed since engine started and IG voltage 10.5 V or more No communication with skid control ECU continues for 3 seconds or more (Communication with neither ECM nor skid control ECU for 60 seconds or more)	Skid control ECU CAN communication system