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Home >> Toyota >> 2016 >> Prius Two >> Repair and Diagnosis (Single Page) >> Brakes >> Anti-Lock Brakes >> Electronically Controlled Brake System - Diagnostic Codes (5 Of 5) & Symptom Tests >> Electronically Controlled Brake System >> DTC U0073: Control Module Communication Bus Off; DTC U0100: Lost Communication With ECM/PCM "A"; DTC U0110: Lost Communication with Drive Motor Control Module "A"; DTC U0120: Lost Communication With Starter / Generator Control Module; DTC U0124: Lost Communication With Lateral Acceleration Sensor Module; DTC U0126: Lost Communication With Steering Angle Sensor Module; DTC U0140: Lost Communication with Body Control Module; DTC U0293: Lost Communication with Hybrid Vehicle Control System [12/2018 - ] >> Component Operating Range
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Component Operating Range

U0073 AND U0074

Both of the following conditions are met -
CAN bus Not bus off
CAN bus Bus load is not high
U0100 (CASE 1)

Communication status with ECM Valid
U0100 (CASE 2)

All of the following conditions are met -
IG1 voltage Higher than 10 V, and less than 17.4 V
IG2 voltage Higher than 9.54 V
CAN communication fail (U0100 (Case 1)) Not detected
Communication status with ECM Valid
U0110 (CASE 1)

Communication status with inverter with converter assembly Valid
U0110 (CASE 2)

All of the following conditions are met -
IG1 voltage Higher than 10 V, and less than 17.4 V
IG2 voltage Higher than 9.54 V
CAN communication fail (U0110 (Case 1)) Not detected
Communication status with inverter with converter assembly Valid
U0125 (CASE 1)

Communication status with yaw rate and acceleration sensor (airbag ECU assembly) Valid
U0125 (CASE 2)

All of the following conditions are met -
IG1 voltage Higher than 10 V, and less than 17.4 V
IG2 voltage Higher than 9.54 V
CAN communication fail (U0074) Not detected
Communication status with yaw rate and acceleration sensor (airbag ECU assembly) Valid
U0140

Communication status with main body ECU (multiplex network body ECU) Valid
U0293 (CASE 1)

Communication status with hybrid vehicle control ECU Valid
U0293 (CASE 2)

All of the following conditions are met -
IG1 voltage Higher than 10 V, and less than 17.4 V
IG2 voltage Higher than 9.54 V
CAN communication fail (U0293 (Case 1)) Not detected
Communication status with hybrid vehicle control ECU Valid
U1107

Communication status with certification ECU (smart key ECU assembly) Valid
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