P00C2 — Turbocharger/Supercharger Bypass Valve B Control Circuit High

What Does P00C2 Mean?

P00C2 is a diagnostic trouble code indicating: Turbocharger/Supercharger Bypass Valve B Control Circuit High. 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 P00C2

⚠️ Check Engine Light (MIL) illuminated
⚠️ Turbocharger/Supercharger Bypass Valve B reading stuck at maximum value
⚠️ Related system operating erratically or in default mode
⚠️ Poor fuel economy

Common Causes

🔍 Short to voltage in Turbocharger/Supercharger Bypass Valve B wiring harness
🔍 Corroded or water-damaged Turbocharger/Supercharger Bypass Valve B connector
🔍 Faulty Turbocharger/Supercharger Bypass Valve B outputting maximum voltage
🔍 Damaged wiring rubbing against metal components
🔍 ECM/PCM internal fault (rare)

Frequently Asked Questions

What does P00C2 mean?

P00C2 indicates: Turbocharger/Supercharger Bypass Valve B Control Circuit High. The vehicle's computer has detected that the Turbocharger/Supercharger Bypass Valve B is not operating within its expected parameters and stored this diagnostic trouble code.

Can I drive with code P00C2?

You can drive short distances for essential trips, but schedule a diagnosis soon. Driving with P00C2 for extended periods may cause additional problems.

How much does it cost to fix P00C2?

Repair costs for P00C2 typically range from $20 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 and repair Turbocharger/Supercharger Bypass Valve B wiring for short to voltage
🔧 Clean or replace corroded Turbocharger/Supercharger Bypass Valve B connector
🔧 Replace faulty Turbocharger/Supercharger Bypass Valve B

1
Find your vehicle above
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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.

P00C2: Turbocharger/Supercharger Bypass Valve B Control Circuit High