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Home >> Toyota >> 2023 >> Prius LE >> Repair and Diagnosis (Single Page) >> Brakes >> Mechanical - Hydraulic >> Electronically Controlled Brake System - Diagnostic Codes (6 Of 6), Circuit Tests & Symptom Tests >> Electronically Controlled Brake System >> DTC U0110-00: Lost Communication with Drive Motor Control Module "A"; DTC U0129-87: Lost Communication with Brake System Control Module "A" Missing Message; DTC U0293-00: Lost Communication with Hybrid/EV Powertrain Control Module; DTC U1106-00: Lost Communication with Electric Parking Brake Module; DTC U114A-00: Lost Communication with Sub Battery System (System 2) Missing Message; DTC U1150-00: Lost Communication with Hybrid Powertrain Control Module (ch2); DTC U117D-87: Lost Communication with Brake System Control Module (ch4) Missing Message [03/2023 - ] >> Monitor Description
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Monitor Description

U0110, U0129, U0293, U1150 and U117D:

When a communication error with any ECU or sensor continues for a certain amount of time or communication is unstable (communication is invalid for a certain amount of time a certain amount of times), the No. 2 skid control ECU (brake actuator assembly) judges that communication with the respective ECU is abnormal and illuminates the MIL and stores a DTC.

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