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Home >> Toyota >> 2024 >> 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 [12/2022 - 03/2023] >> Typical Malfunction Thresholds
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Typical Malfunction Thresholds

U0110

Either of the following conditions is met A or B
A. Following condition is met More than 3 times
Communication reception with inverter with converter assembly "A" (CH2) Delayed
B. Checksum error exist with inverter with converter assembly "A" (CH2) -
U0129

Either of the following conditions is met A or B
A. Following condition is met More than 3 times
Communication reception with No. 2 skid control ECU (brake actuator assembly) (CH1) Delayed
B. Checksum error exist with No. 2 skid control ECU (brake actuator assembly) (CH1) -
U0293

Either of the following conditions is met A or B
A. Following condition is met More than 3 times
Communication reception with hybrid vehicle control ECU (CH1) Delayed
B. Checksum error exist with hybrid vehicle control ECU (CH1) -
U1150

Either of the following conditions is met A or B
A. Following condition is met More than 3 times
Communication reception with hybrid vehicle control ECU (CH2) Delayed
B. Checksum error exist with hybrid vehicle control ECU (CH2) -
U117D

Either of the following conditions is met A or B
A. Following condition is met More than 3 times
Communication reception with No. 2 skid control ECU (brake actuator assembly) (CH2) Delayed
B. Checksum error exist with No. 2 skid control ECU (brake actuator assembly) (CH2) -