P1422 — EVAP Purge Control Solenoid Valve Circuit High Input

What Does P1422 Mean?

P1422 is a manufacturer-specific diagnostic trouble code: EVAP Purge Control Solenoid Valve Circuit High Input. This code applies to SUBARU, VOLKSWAGEN, OTHER, BMW vehicles. Unlike generic OBD-II codes, manufacturer-specific codes are defined by the vehicle maker and may only apply to certain makes and models.

Symptoms of P1422

⚠️ Check Engine Light (MIL) illuminated
⚠️ EVAP Purge Control Solenoid Valve reading stuck at maximum value
⚠️ Related system operating erratically or in default mode
⚠️ Reduced engine performance

Common Causes

🔍 Short to voltage in EVAP Purge Control Solenoid Valve wiring harness
🔍 Corroded or water-damaged EVAP Purge Control Solenoid Valve connector
🔍 Faulty EVAP Purge Control Solenoid Valve outputting maximum voltage
🔍 Damaged wiring rubbing against metal components
🔍 ECM/PCM internal fault (rare)

Frequently Asked Questions

What does P1422 mean?

P1422 indicates: EVAP Purge Control Solenoid Valve Circuit High Input. The vehicle's computer has detected that the EVAP Purge Control Solenoid Valve is not operating within its expected parameters and stored this diagnostic trouble code.

Can I drive with code P1422?

You can drive short distances for essential trips, but schedule a diagnosis soon. Driving with P1422 for extended periods may cause additional problems.

How much does it cost to fix P1422?

Repair costs for P1422 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 EVAP Purge Control Solenoid Valve wiring for short to voltage
🔧 Clean or replace corroded EVAP Purge Control Solenoid Valve connector
🔧 Replace faulty EVAP Purge Control Solenoid Valve

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.

P1422: EVAP Purge Control Solenoid Valve Circuit High Input