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Home >> Toyota >> 2025 >> Land Cruiser Base >> Repair and Diagnosis (Single Page) >> Hybrid/Electric Powertrain >> Testing and Diagnosis >> Hybrid Control System - Diagnostic Codes (5 Of 5) & Circuit Tests >> Hybrid Control System >> DTC U0100-87: Lost Communication with ECM/PCM "A" Missing Message; DTC U0101-87: Lost Communication with TCM Missing Message; DTC U0129-87: Lost Communication with Brake System 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 U0164-87: Lost Communication with HVAC Control Module Missing Message; DTC U111A-87: Lost Communication with ECM/PCM "A" (ch2) Missing Message; DTC U1170-87: Lost Communication with Brake System Control Module (Secondary CAN Line) Missing Message [02/2024 - ] >> Monitor Strategy
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Monitor Strategy

Related DTCs U0100 (INF U0100-87): Lost communication with ECM verify communication
U0101 (INF U0101-87): Lost communication with TCM verify communication
U0129 (INF U0129-87): Lost communication with brake system control module verify communication
U111A (INF U111A-87): Lost communication with ECM (powertrain local bus) verify communication
U1170 (INF U1170-87): Lost communication with brake system control module verify communication
Required sensors/components Main: Hybrid vehicle control ECU
Sub: CAN bus line
Frequency of operation Continuous
Duration TMC's intellectual property
MIL operation Immediately
Sequence of operation None
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