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2021
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ES 300h Luxury
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Repair and Diagnosis
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Brakes
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Mechanical - Hydraulic
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Electronically Controlled Brake System (Hybrid) - Diagnostic Codes (1 Of 5)
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ELECTRONICALLY CONTROLLED BRAKE SYSTEM (for HV Model)
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DTC C120F: Open in Master Reservoir Level Switch Circuit [06/2018 - ]
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Component Operating Range
Component Operating Range
Both of the following conditions are met
-
Serial communication with low side IC
Valid
Brake fluid level warning switch voltage
8.4 V or less