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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 (4 Of 5)
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ELECTRONICALLY CONTROLLED BRAKE SYSTEM (for HV Model)
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DTC C1425: Open in Stop Switch Circuit; DTC P0573: Brake Switch "A" Circuit High [06/2018 - 08/2020]
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Typical Malfunction Thresholds
Typical Malfunction Thresholds
P0572
Stop light switch assembly voltage
Higher than 2.75 V, and less than 4.25 V
P0573
Stop light switch assembly voltage when decelerating vehicle from 30 km/h (19 mph) or more to 3 km/h (2 mph)
4.25 V or more