P050F
From Ross-Tech Wiki
P050F - Brake Boost Vacuum too Low
Possible Symptoms
- MIL ON
- Hard brake pedal
Possible Causes
- Brake booster system vacuum leak
- Faulty check valve in brake booster system
- Faulty G608 pressure sensor
Possible Solutions
- Check and replace faulty brake booster system components
Special Notes
- When found in MLBevo platform vehicles see TPI 2055646 / TSB 47-22-12: https://static.nhtsa.gov/odi/tsbs/2022/MC-10214476-0001.pdf NHTSA