P050F — Brake Assist Vacuum Too Low

What Does P050F Mean?

P050F is a diagnostic trouble code indicating: Brake Assist Vacuum Too Low. This code relates to the vehicle speed and idle control system. The vehicle's computer detected a condition outside normal operating parameters and stored this code.

Symptoms of P050F

⚠️ Check Engine Light (MIL) illuminated
⚠️ Brake Assist Vacuum Too Low not functioning as expected
⚠️ Related system may be in fail-safe mode
⚠️ Erratic idle speed

Common Causes

🔍 Faulty Brake Assist Vacuum Too Low
🔍 Wiring or connector issue in Brake Assist Vacuum Too Low circuit
🔍 Related mechanical or electrical fault
🔍 ECM/PCM issue (rare)

Frequently Asked Questions

What does P050F mean?

P050F indicates: Brake Assist Vacuum Too Low. The vehicle's computer has detected that the Brake Assist Vacuum Too Low is not operating within its expected parameters and stored this diagnostic trouble code.

Can I drive with code P050F?

You can drive short distances for essential trips, but schedule a diagnosis soon. Driving with P050F for extended periods may cause additional problems.

How much does it cost to fix P050F?

Repair costs for P050F typically range from $80 to $300, depending on the root cause. Simple wiring or connector repairs are on the lower end, while component replacement costs more. A proper diagnosis ($80–$150 at most shops) will identify the exact cause before committing to expensive parts.

What To Do Next

Possible Fixes

🔧 Inspect Brake Assist Vacuum Too Low and related wiring
🔧 Replace faulty Brake Assist Vacuum Too Low

1
Find your vehicle above
Click your make and model for real owner reports and common causes specific to your vehicle.
2
Check for recalls
Go to nhtsa.gov/recalls and enter your VIN. Free repairs if covered.
3
Get a professional diagnosis
A code alone doesn't identify the exact failed part. A diagnostic ($50–$150) pinpoints the root cause.

P050F: Brake Assist Vacuum Too Low