DTC C0049-7B

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DTC C0049-7B : Brake Fluid Level Too Low

NOTE

Initial Diagnosis:
The initial on-board diagnosis occurs right after the vehicle condition is turned to the ON mode, and the ABS/VSA indicator comes on, and continues until the indicator goes off.
Regular Diagnosis:
The regular on-board diagnosis begins right after the ABS/VSA indicator goes off, and it continues until the vehicle condition is turned to the OFF (LOCK) mode.
Review "How to troubleshoot the VSA system" before doing the DTC troubleshooting procedure.
Test-drive the vehicle according to local traffic conditions and regulations. Do not test-drive on a lift unless specified.
The possible causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes.

Confirmation Procedure	Basic Condition: 12 volt battery voltage 9.6 - 16.5 V With the Driving Pattern: Turn the vehicle to the ON mode. Wait 60 seconds or more.
Execution	Regular Diagnosis
Duration	About 60 seconds
DTC Type	1 drive cycle Brake system indicator (amber) on VSA indicator on
Fail Safe Action	Degrade ABS performance Stop engine drag torque control function Stop TCS function Stop VSA function Stop agile handling assist function Stop hydraulic boost failure compensation function Stop electric parking brake function (some of function)
Possible Cause	Short to ground between the gauge control module and the brake fluid level switch (BRAKE_LEVEL_SW line) Low brake fluid level Brake fluid level switch failure Gauge control module internal failure VSA modulator-control unit internal failure