P3495 — Cylinder 12 Exhaust Valve Control Circuit Low

What Does P3495 Mean?

P3495 is a diagnostic trouble code indicating: Cylinder 12 Exhaust Valve Control Circuit Low. This code relates to the powertrain system. The vehicle's computer detected a condition outside normal operating parameters and stored this code.

Symptoms of P3495

⚠️ Check Engine Light (MIL) illuminated
⚠️ Cylinder 12 Exhaust Valve reading at zero or minimum value
⚠️ Related system not functioning or in fail-safe mode
⚠️ Reduced engine performance

Common Causes

🔍 Open or broken wire in Cylinder 12 Exhaust Valve circuit
🔍 Poor ground connection at Cylinder 12 Exhaust Valve
🔍 Faulty Cylinder 12 Exhaust Valve with no output signal
🔍 Disconnected or loose Cylinder 12 Exhaust Valve connector
🔍 Blown fuse in related circuit

Frequently Asked Questions

What does P3495 mean?

P3495 indicates: Cylinder 12 Exhaust Valve Control Circuit Low. The vehicle's computer has detected that the Cylinder 12 Exhaust Valve is not operating within its expected parameters and stored this diagnostic trouble code.

Can I drive with code P3495?

You can drive short distances for essential trips, but schedule a diagnosis soon. Driving with P3495 for extended periods may cause additional problems.

How much does it cost to fix P3495?

Repair costs for P3495 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

🔧 Repair broken wire or restore ground in Cylinder 12 Exhaust Valve circuit
🔧 Clean and secure Cylinder 12 Exhaust Valve connector and ground points
🔧 Replace failed Cylinder 12 Exhaust Valve

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.

P3495: Cylinder 12 Exhaust Valve Control Circuit Low