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Home >> Lexus >> 2025 >> RX 350h Premium >> Repair and Diagnosis (Single Page) >> Brakes >> Mechanical - Hydraulic >> Electronically Controlled Brake System - Diagnostic Codes (5 Of 9) >> ELECTRONICALLY CONTROLLED BRAKE SYSTEM (except Gasoline Model) >> DTC U0100-87: Lost Communication With ECM/PCM "A" Missing Message; DTC U0103-87: Lost Communication with Gear Shift Control Module "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 U0131-87: Lost Communication with Power Steering Control Module Missing Message; DTC U0134-87: Lost Communication with Power Steering Control Module Rear 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 [10/2022 - ] >> Monitor Strategy
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Monitor Strategy

Related DTCs U0100: Lost communication with ECM/PCM (CH1)
U0110 (Case 1): Lost communication with DMCM "A" (CH2)
U0125: Lost communication with multi-axis acceleration sensor module
U0134: Lost communication with DRS ECU
U025E: Lost communication with BSCM2 (CH1)
U0293: Lost communication with HPCM (CH1)
U1107: Lost communication with collation control module
U111A: Lost communication with ECM/PCM (CH2)
U1150: Lost communication with HPCM (CH2)
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 1second: U0125 and U0134
2seconds: U0100, U0110 (Case 1), U025E, U0293, U111A and U1150
3 seconds: U1107
MIL Operation Immediately
Sequence of Operation None
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