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Home >> Toyota >> 2020 >> RAV4 Adventure >> Repair and Diagnosis (Single Page) >> Brakes >> Mechanical - Hydraulic >> Electronically Controlled Brake System (W/O Vacuum Brake Booster) - Diagnostic Codes (8 Of 8) & Symptom Tests >> ELECTRONICALLY CONTROLLED BRAKE SYSTEM (w/o Vacuum Brake Booster) >> DTC U0074-88: Control Module Communication Bus "B" Off Bus Off; DTC U0100-87: Lost Communication With ECM/PCM "A" Missing Message; DTC U0110-87: Lost Communication with Drive Motor Control Module "A" Missing Message; DTC U0125-87: Lost Communication with Multi-axis Acceleration Sensor Module Missing Message; DTC U0126-87: Lost Communication with Steering Angle Sensor Module Missing Message; DTC U0140-87: Lost Communication with Body Control Module Missing Message; DTC U0151-87: Lost Communication with Restraints Control Module Missing Message; DTC U025E-87: Lost Communication with Electronic Brake Booster Control Module "A" Missing Message; DTC U0293-87: Lost Communication with Hybrid/EV Powertrain Control Module Missing Message; DTC U1107-87: Lost Communication with Power Management Module Missing Message; DTC U111A-87: Lost Communication with ECM/PCM "A" (ch2) Missing Message; DTC U1150-87: Lost Communication with Hybrid Powertrain Control Module (ch2) Missing Message; DTC U1159-87: Lost Communication with Electronic Brake Booster Control Module "A" (ch3) Missing Message [12/2021 - ] >> Component Operating Range
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Component Operating Range

U0074 (CASE 1)

All of the following conditions are met -
Communication status with yaw rate sensor Valid
CAN transmission stop instructions Off
Difference between CAN frame transmission time and CAN frame reception time Less than 0.003 seconds
YGS0 (CAN data) Off
U0074 (CASE 2)

All of the following conditions are met -
Communication status with steering angle sensor Valid
CAN transmission stop instructions Off
Difference between CAN frame transmission time and CAN frame reception time Less than 0.003 seconds
STS0 (CAN data) Off
U0100

Communication status with ECM (C-bus) Valid
U0110 (CASE 1)

Communication status with inverter with converter assembly Valid
U0125

Communication status with yaw rate and acceleration sensor (airbag ECU assembly) Valid
U0140

All of the following conditions are met A, B and C
A. Following condition is met 3 seconds or more
+BS voltage Higher than 10 V, and less than 18 V
B. Following condition is met 3 seconds or more
IG1 voltage Higher than 10 V, 17.4 V or less
C. Communication status with main body ECU (multiplex network body ECU) (C1-Bus) Valid
U025E

Communication status with No. 1 skid control ECU (brake booster with master cylinder assembly) (C-Bus) Valid
U0293 (CASE 1)

Communication status with hybrid vehicle control ECU (C-Bus) Valid
U1107

Communication status with certification ECU (smart key ECU assembly) Valid
U111A

Communication status with ECM (P-bus) Valid
U1150 (CASE 1)

Communication status with hybrid vehicle control ECU (P-Bus) Valid
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