P2021 — Intake Manifold Runner Position Sensor/Switch Circuit Low Bank 2

What Does P2021 Mean?

P2021 is a diagnostic trouble code indicating: Intake Manifold Runner Position Sensor/Switch Circuit Low Bank 2. This code relates to the powertrain system. The vehicle's computer detected a condition outside normal operating parameters and stored this code.

Symptoms of P2021

⚠️ Check Engine Light (MIL) illuminated
⚠️ Intake Manifold Runner Position Sensor/Switch 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 Intake Manifold Runner Position Sensor/Switch circuit
🔍 Poor ground connection at Intake Manifold Runner Position Sensor/Switch
🔍 Faulty Intake Manifold Runner Position Sensor/Switch with no output signal
🔍 Disconnected or loose Intake Manifold Runner Position Sensor/Switch connector
🔍 Blown fuse in related circuit

Frequently Asked Questions

What does P2021 mean?

P2021 indicates: Intake Manifold Runner Position Sensor/Switch Circuit Low Bank 2. The vehicle's computer has detected that the Intake Manifold Runner Position Sensor/Switch is not operating within its expected parameters and stored this diagnostic trouble code.

Can I drive with code P2021?

You can drive short distances for essential trips, but schedule a diagnosis soon. Driving with P2021 for extended periods may cause additional problems.

How much does it cost to fix P2021?

Repair costs for P2021 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 Intake Manifold Runner Position Sensor/Switch circuit
🔧 Clean and secure Intake Manifold Runner Position Sensor/Switch connector and ground points
🔧 Replace failed Intake Manifold Runner Position Sensor/Switch

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.

P2021: Intake Manifold Runner Position Sensor/Switch Circuit Low Bank 2