OBD Guide
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B1048

Brake Fluid Level Switch Low Fluid Level

B1048 is an OBD-II diagnostic trouble code meaning: Brake Fluid Level Switch Low Fluid Level. Common causes: brake fluid leak, brake pad wear. Estimated repair cost: $6–56.

Severity
🔴 High
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$6–56 (est.)

Symptoms

  • Brake light is on
  • Reduced braking performance
  • Possible brake fluid leaks

Causes

  • Brake fluid leak
  • Brake pad wear
  • Leaking brake system
  • Natural evaporation of liquid

How to Fix

  1. Check the brake fluid level
  2. Inspect the brake system for leaks
  3. Replace worn brake pads
  4. Add brake fluid to the required level
  5. Check the system for leaks

Related codes

B1047B1049P0500

FAQ

What does the B1048 code mean?

B1048 is an OBD-II diagnostic trouble code that indicates: Brake Fluid Level Switch Low Fluid Level

What causes a B1048 error code?

The most common causes of B1048 include: Brake fluid leak; Brake pad wear; Leaking brake system; Natural evaporation of liquid.

How do I fix a B1048 diagnostic trouble code?

To fix B1048: Check the brake fluid level. Inspect the brake system for leaks. Replace worn brake pads. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B1048?

Yes, but get it checked soon

How much does it cost to fix B1048?

The estimated repair cost for B1048 is $6–56. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat