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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 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 U1150-00: Lost Communication with Hybrid Powertrain Control Module (ch2); DTC U117D-87: Lost Communication with Brake System Control Module (ch4) Missing Message; DTC U1492-57: Software incompatibility with Hybrid/EV Powertrain Control Module Invalid/Incompatible Software Component [12/2021 - ] >> Component Operating Range
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Component Operating Range

U0110 (CASE 2)

Communication status with inverter with converter assembly (PL-Bus) Valid
U0129

Both of the following conditions are met -
IG1 On
Communication status with ECB* (C-bus) Valid

*: Electronically Controlled Brake System

U0293 (CASE 2)

Communication status with hybrid vehicle control ECU (C1-Bus) Valid
U1150 (CASE 2)

Communication status with hybrid vehicle control ECU (PL-Bus) Valid
U117D

Both of the following conditions are met -
IG1 On
Communication status with ECB* (PL-bus) Valid

*: Electronically Controlled Brake System

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