P1538 — Intake Manifold Runner Control (Bank 2) Stuck Open

What Does P1538 Mean?

P1538 is a manufacturer-specific diagnostic trouble code: Intake Manifold Runner Control (Bank 2) Stuck Open. This code applies to OTHER, VOLKSWAGEN, FORD, LINCOLN, MERCURY 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 P1538

⚠️ Check Engine Light (MIL) illuminated
⚠️ Intake Manifold Runner Control (Bank 2) Stuck Open not functioning as expected
⚠️ Related system may be in fail-safe mode
⚠️ Reduced engine performance

Common Causes

🔍 Faulty Intake Manifold Runner Control (Bank 2) Stuck Open
🔍 Wiring or connector issue in Intake Manifold Runner Control (Bank 2) Stuck Open circuit
🔍 Related mechanical or electrical fault
🔍 ECM/PCM issue (rare)

Frequently Asked Questions

What does P1538 mean?

P1538 indicates: Intake Manifold Runner Control (Bank 2) Stuck Open. The vehicle's computer has detected that the Intake Manifold Runner Control (Bank 2) Stuck Open is not operating within its expected parameters and stored this diagnostic trouble code.

Can I drive with code P1538?

You can drive short distances for essential trips, but schedule a diagnosis soon. Driving with P1538 for extended periods may cause additional problems.

How much does it cost to fix P1538?

Repair costs for P1538 typically range from $80 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 Intake Manifold Runner Control (Bank 2) Stuck Open and related wiring
🔧 Replace faulty Intake Manifold Runner Control (Bank 2) Stuck Open

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.

P1538: Intake Manifold Runner Control (Bank 2) Stuck Open