C0299
Brake Booster Performance Plausibility
C0299 is an OBD-II diagnostic trouble code meaning: Brake Booster Performance Plausibility . Common causes: vacuum leak in the amplifier system, vacuum pump malfunction (on diesel engines). Estimated repair cost: $33–222.
Symptoms
- Hard brake pedal
- Increased brake pedal travel
- Reduced braking performance
- ABS/ESP malfunction indicator is on
Causes
- Vacuum leak in the amplifier system
- Vacuum pump malfunction (on diesel engines)
- Depressurization of vacuum hoses
- Amplifier check valve failure
- Malfunction of the pressure sensor in the amplifier
How to Fix
- Check the integrity of vacuum hoses and connections
- Check the operation of the vacuum pump (on diesel engines)
- Check booster check valve
- Diagnose pressure sensors and control circuits
- If necessary, replace the vacuum brake booster
Related codes
Error C0299 by Vehicle Brand
FAQ
What does the C0299 code mean?
C0299 is an OBD-II diagnostic trouble code that indicates: Brake Booster Performance Plausibility
What causes a C0299 error code?
The most common causes of C0299 include: Vacuum leak in the amplifier system; Vacuum pump malfunction (on diesel engines); Depressurization of vacuum hoses; Amplifier check valve failure.
How do I fix a C0299 diagnostic trouble code?
To fix C0299: Check the integrity of vacuum hoses and connections. Check the operation of the vacuum pump (on diesel engines). Check booster check valve. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with C0299?
Limited driving only, diagnose soon
How much does it cost to fix C0299?
The estimated repair cost for C0299 is $33–222. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat