Easy one-page printout for the garage or repair shop
This summary uses the existing diagnostic information shown in full below.
This code means that the car is detecting that the brake fluid, which helps the car stop, is too low. It's like when you need to refill your juice box because it's almost empty.
The vehicle's brake fluid level sensor has detected that the brake fluid level is below the minimum required for safe operation.
The C0049 code is triggered when the brake fluid level sensor detects that the brake fluid level in the reservoir is below the specified threshold. This can affect the braking performance and may indicate a leak or the need for brake system maintenance.
• Brake warning light on the dashboard
• Reduced braking performance
• Spongy brake pedal
• Low brake fluid level
• Brake fluid leak
• Faulty brake fluid level sensor
Brake Fluid: A hydraulic fluid used in brake systems to transfer force into pressure.
Reservoir: A container that holds the brake fluid.
• Check the brake fluid level in the reservoir.
• Inspect the brake system for leaks.
• Test the brake fluid level sensor for proper operation.
• Refill brake fluid to the proper level.
• Repair any leaks found in the brake system.
• Replace the brake fluid level sensor if faulty.
• Brake fluid
• Wrench set
• OBD-II scanner
$50 - $200
Moderate
• Toyota Camry
• Honda Accord
• Ford F-150
• Regularly check brake fluid levels.
• Inspect the brake system for leaks during routine maintenance.
• Replace brake fluid as recommended by the manufacturer.
Sensor Issue
• Check brake fluid level regularly.
• Consult a mechanic if the brake warning light stays on.
Brake system components may be covered under the vehicle's warranty for a certain period or mileage. Check with the manufacturer or dealer.
The C0049 code has been used in vehicles with electronic brake monitoring systems to alert drivers of low brake fluid levels, improving safety.
High – Brake system issues can lead to reduced braking performance and should be addressed immediately.
Driving with low brake fluid can lead to brake failure, which is a safety hazard. Ensure brake system maintenance is performed by a qualified professional.
• Vehicle parked on level ground
• Engine off
The brake fluid reservoir is typically located near the back of the engine bay, close to the driver's side.
Q: Can I drive with the C0049 code?
A: It's not recommended to drive with this code active, as it indicates a potential issue with your braking system.
Q: How often should I check my brake fluid level?
A: It's a good idea to check your brake fluid level every time you have an oil change or at least every few months.
Pro · Four-system diagnostics
A handheld scanner aimed at engine, transmission, ABS, and airbag diagnostic work.
Chassis and ABS faults usually need a scanner that can read brake-system data directly.
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Universal · Torque wrench
Useful when reassembly torque matters for wheel, suspension, and under-hood fasteners.
Useful when wheel, hub, or suspension hardware needs correct reassembly torque.
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Universal · Drive-on ramps
Helpful for safer access underneath the vehicle during exhaust, EVAP, and underbody inspection work.
Helpful for safer access during underbody inspection work.
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