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Home >> Lexus >> 2023 >> NX 250 AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 9 (Electronically Controlled Brake System - Diagnostic Codes (3 Of 6)) >> ELECTRONICALLY CONTROLLED BRAKE SYSTEM (for HEV Model) >> DTC C1202-00: Master Reservoir Level Malfunction [11/2021 - 03/2024] >> Monitor Description

Monitor Description

WARNING: This page is about a different car, the 2025 Lexus NX 350h, 2024 Lexus NX 350h, 2023 Lexus NX 350h, and 2022 Lexus NX 350h. However, it is still accessible from the selected car via links, so may be relevant.

When the ignition switch is turned to ON and the fluid level warning switch (brake master cylinder reservoir assembly) is on for a certain amount of time, the No. 2 skid control ECU (brake actuator assembly) judges that the brake fluid level in the reservoir is low and illuminates the MIL and stores this DTC.

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