P24C0 — EVAP System Leak Detection Pump Switching Valve Stuck On

What Does P24C0 Mean?

P24C0 is a diagnostic trouble code indicating: EVAP System Leak Detection Pump Switching Valve Stuck On. This code relates to the powertrain system. The vehicle's computer detected a condition outside normal operating parameters and stored this code.

Symptoms of P24C0

⚠️ Check Engine Light (MIL) illuminated
⚠️ EVAP System Leak Detection Pump Switching Valve remains active when it should be off
⚠️ Related system running continuously
⚠️ Reduced engine performance

Common Causes

🔍 EVAP System Leak Detection Pump Switching Valve mechanically stuck in active position
🔍 Short circuit holding EVAP System Leak Detection Pump Switching Valve control on
🔍 Faulty EVAP System Leak Detection Pump Switching Valve driver circuit in ECM/PCM

Frequently Asked Questions

What does P24C0 mean?

P24C0 indicates: EVAP System Leak Detection Pump Switching Valve Stuck On. The vehicle's computer has detected that the EVAP System Leak Detection Pump Switching Valve is not operating within its expected parameters and stored this diagnostic trouble code.

Can I drive with code P24C0?

Only short distances if absolutely necessary. P24C0 affects a critical system and should be diagnosed within a few days to avoid further damage.

How much does it cost to fix P24C0?

Repair costs for P24C0 typically range from $50 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 EVAP System Leak Detection Pump Switching Valve for mechanical binding or debris
🔧 Replace stuck EVAP System Leak Detection Pump Switching Valve
🔧 Check EVAP System Leak Detection Pump Switching Valve control circuit for short

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.

P24C0: EVAP System Leak Detection Pump Switching Valve Stuck On