C1479
Rear Left Wheel Brake Pressure Control Plausibility Failure
C1479 is an OBD-II diagnostic trouble code meaning: Rear Left Wheel Brake Pressure Control Plausibility Failure. Common causes: airing the brake system, brake fluid leak. Estimated repair cost: $56–278.
Symptoms
- ABS/ESP indicator is on
- Deterioration in braking performance
- Activating the stability control system during normal driving
- Uneven brake pad wear
Causes
- Airing the brake system
- Brake fluid leak
- Malfunction of the ABS solenoid in the corresponding circuit
- Problems with the pressure sensor
- Mechanical damage to brake lines
- ABS/ESP valve body malfunction
- Control unit software error
How to Fix
- Check the level and condition of the brake fluid
- Check the brake system for leaks
- Check the condition of brake lines and hoses
- Read error codes from ABS/ESP unit
- Check the functionality of the ABS solenoids
- Bleed the brake system
- If necessary, replace faulty components
- Update the control unit firmware (if required)
Related codes
FAQ
What does the C1479 code mean?
C1479 is an OBD-II diagnostic trouble code that indicates: Rear Left Wheel Brake Pressure Control Plausibility Failure
What causes a C1479 error code?
The most common causes of C1479 include: Airing the brake system; Brake fluid leak; Malfunction of the ABS solenoid in the corresponding circuit; Problems with the pressure sensor.
How do I fix a C1479 diagnostic trouble code?
To fix C1479: Check the level and condition of the brake fluid. Check the brake system for leaks. Check the condition of brake lines and hoses. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with C1479?
Limited driving only, diagnose soon
How much does it cost to fix C1479?
The estimated repair cost for C1479 is $56–278. Actual cost depends on your vehicle, location, and labor rates.
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