DTC C126E-15: Reservoir Level Switch Circuit Short to Battery or Open [11/2023 - ]: Description

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DTC No.	Detection Item	DTC Detection Condition	Trouble Area	MIL	Note
C126E-15	Reservoir Level Switch Circuit Short to Battery or Open	The brake fluid level warning switch (brake master cylinder reservoir assembly) circuit is open for 2 seconds or more.	Open in brake fluid level warning switch (brake master cylinder reservoir assembly) Open in wire harness Uneven brake disc rotor wear Brake fluid leaks Low brake fluid No. 1 skid control ECU (brake booster with master cylinder assembly)	Comes on	SAE Code: C120F Output ECU: Both skid control ECUs