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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 - ] >> Monitor Strategy
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Monitor Strategy

Related DTCs U0074 (Case 1): Late communication with multi-axis acceleration sensor module
U0074 (Case 2): Late communication with steer sensor module
U0100: Lost communication with ECM/PCM "A" (C-bus)
U0110 (Case 1): Lost communication with drive motor control module "A"
U0125: Lost communication with multi-axis acceleration sensor module
U0140: Lost communication with BODY ECU (C1-bus)
U025E: Lost communication with electronic brake booster control unit (C-bus)
U0293 (Case 1): Lost communication with HV (C-bus)
U1107: Lost communication with collation ECU
U111A: Lost communication with ECM/PCM "A" (PL-bus)
U1150 (Case 1): Lost communication with HV (P-bus)
Required Sensors/Components(Main) No. 2 skid control ECU (brake actuator assembly)
Required Sensors/Components(Related) No. 2 skid control ECU (brake actuator assembly)
Frequency of Operation Continuous
Duration 1 second: U0074 (Case 1 and 2), U0125
2 seconds: U0100, U0110 (Case 1), U0140, U025E, U0293 (Case 1), U111A and U1150 (Case 1)
3 seconds: U1107
MIL Operation Immediately
Sequence of Operation None
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