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Home >> Toyota >> 2024 >> Land Cruiser First Edition >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Electronically Controlled Brake System - Diagnostic Codes (5 Of 5), Symptom Tests & Circuit Tests >> Electronically Controlled Brake System >> DTC U0100-00: Lost Communication with ECM/PCM "A"; DTC U0101-00: Lost Communication with TCM; DTC U0129-87: Lost Communication with Brake System Control Module "A" Missing Message; DTC U1106-00: Lost Communication with Electric Parking Brake Module; DTC U111A-00: Lost Communication with ECM/PCM "A" (ch2); DTC U117D-87: Lost Communication with Brake System Control Module (ch4) Missing Message [02/2024 - ] >> Monitor Strategy

Monitor Strategy

Related DTCs U0129: Lost communication with ECB*_ECU (C1-bus)
U117D: Lost communication with ECB*_ECU (PL-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 2 seconds
MIL Operation Immediately
Sequence of Operation None

*: Electronically Controlled Brake System