P2170 — Exhaust Pressure Regulator Vent Solenoid Control Circuit Low

What Does P2170 Mean?

P2170 is a diagnostic trouble code indicating: Exhaust Pressure Regulator Vent Solenoid 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 P2170

⚠️ Check Engine Light (MIL) illuminated
⚠️ Exhaust Pressure Regulator Vent Solenoid 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 Exhaust Pressure Regulator Vent Solenoid circuit
🔍 Poor ground connection at Exhaust Pressure Regulator Vent Solenoid
🔍 Faulty Exhaust Pressure Regulator Vent Solenoid with no output signal
🔍 Disconnected or loose Exhaust Pressure Regulator Vent Solenoid connector
🔍 Blown fuse in related circuit

Frequently Asked Questions

What does P2170 mean?

P2170 indicates: Exhaust Pressure Regulator Vent Solenoid Control Circuit Low. The vehicle's computer has detected that the Exhaust Pressure Regulator Vent Solenoid is not operating within its expected parameters and stored this diagnostic trouble code.

Can I drive with code P2170?

You can drive short distances for essential trips, but schedule a diagnosis soon. Driving with P2170 for extended periods may cause additional problems.

How much does it cost to fix P2170?

Repair costs for P2170 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 Exhaust Pressure Regulator Vent Solenoid circuit
🔧 Clean and secure Exhaust Pressure Regulator Vent Solenoid connector and ground points
🔧 Replace failed Exhaust Pressure Regulator Vent Solenoid

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.

P2170: Exhaust Pressure Regulator Vent Solenoid Control Circuit Low