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Home >> Toyota >> 2024 >> Land Cruiser Base >> Repair and Diagnosis (Single Page) >> Brakes >> Mechanical - Hydraulic >> Electronically Controlled Brake System - Diagnostic Codes (5 Of 5), Symptom Tests & Circuit Tests >> Electronically Controlled Brake System >> DTC U0100-87: Lost Communication with ECM/PCM "A" Missing Message; DTC U0101-87: Lost Communication with TCM Missing Message; DTC U0114-87: Lost Communication with Four-wheel Drive Clutch Control Module 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 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 U1107-87: Lost Communication with Power Management Module Missing Message; DTC U111A-87: Lost Communication with ECM/PCM "A" (ch2) Missing Message; DTC U1159-87: Lost Communication with Electronic Brake Booster Control Module "A" (ch3) Missing Message [02/2024 - ] >> Typical Malfunction Thresholds
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Typical Malfunction Thresholds

U0100

Both of the following conditions are met A and B
A. All of the following conditions are met a or b
a. Communication status with ECM (P-Bus) send at IGP power on Invalid
b. Following condition is met 3 seconds or more
IGP PT1 (CAN Data) ON
B. Communication status with ECM (P-Bus) send at IGR power on Invalid
U0101

Communication status with TCM (P-Bus) Invalid
U0114

Communication status with 4 wheel drive control ECU Invalid
U0125

Communication status with yaw rate and acceleration sensor (airbag ECU assembly) (C1-Bus) Invalid
U025E

Communication status with No. 1 skid control ECU (brake booster with master cylinder assembly) (C1-Bus) Invalid
U1107

Communication status with certification ECU (smart key ECU assembly) (C1-bus) Invalid
U111A

Both of the following conditions are met A and B
A. All of the following conditions are met a or b
a. Communication status with ECM (PL-Bus) send at IGP power on Invalid
b. Following condition is met 3 seconds or more
IGP PT1 (CAN Data) ON
B. Communication status with ECM (PL-Bus) send at IGR power on Invalid