P00AF — Turbocharger/Supercharger Boost Control A Module Performance

What Does P00AF Mean?

P00AF is a diagnostic trouble code indicating: Turbocharger/Supercharger Boost Control A Module Performance. This code relates to the fuel and air metering system. The vehicle's computer detected a condition outside normal operating parameters and stored this code.

Symptoms of P00AF

⚠️ Check Engine Light (MIL) illuminated
⚠️ Turbocharger/Supercharger Boost Control A Module not meeting expected output
⚠️ Degraded performance of related system
⚠️ Poor fuel economy

Common Causes

🔍 Turbocharger/Supercharger Boost Control A Module degraded from age or contamination
🔍 Mechanical wear in Turbocharger/Supercharger Boost Control A Module or related parts
🔍 Restriction or blockage affecting Turbocharger/Supercharger Boost Control A Module
🔍 Calibration drift in Turbocharger/Supercharger Boost Control A Module

Frequently Asked Questions

What does P00AF mean?

P00AF indicates: Turbocharger/Supercharger Boost Control A Module Performance. The vehicle's computer has detected that the Turbocharger/Supercharger Boost Control A Module is not operating within its expected parameters and stored this diagnostic trouble code.

Can I drive with code P00AF?

You can drive short distances for essential trips, but schedule a diagnosis soon. Driving with P00AF for extended periods may cause additional problems.

How much does it cost to fix P00AF?

Repair costs for P00AF typically range from $50 to $400, 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 Turbocharger/Supercharger Boost Control A Module for contamination or wear
🔧 Replace Turbocharger/Supercharger Boost Control A Module
🔧 Address any related mechanical faults

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.

P00AF: Turbocharger/Supercharger Boost Control A Module Performance