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Home >> Lexus >> 2021 >> ES 300h Luxury >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Electronically Controlled Brake System (Hybrid) - Diagnostic Codes (1 Of 5) >> ELECTRONICALLY CONTROLLED BRAKE SYSTEM (for HV Model) >> DTC C120F: Open in Master Reservoir Level Switch Circuit [06/2018 - ] >> Monitor Strategy

Monitor Strategy

Related DTCs C120F: Brake fluid level warning switch open circuit
Required Sensors/Components(Main) Brake fluid level warning switch (brake booster with master cylinder assembly)
Required Sensors/Components(Related) Skid control ECU (brake booster with master cylinder assembly)
Frequency of Operation Continuous
Duration 2 seconds
MIL Operation Immediately
Sequence of Operation None