P1512 Code - Intake Manifold Runner Control Stuck Closed Bank 1

Quick Answer

The diagnostic trouble code P1512 indicates that the intake manifold runner control for Bank 1 is stuck closed. Common causes include Carbon buildup in the intake manifold, Faulty intake manifold runner control actuator, Wiring or electrical issues. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means

P1512 indicates Intake Manifold Runner Control Stuck Closed Bank 1.

Common causes

Common causes include Carbon buildup in the intake manifold, Faulty intake manifold runner control actuator, Wiring or electrical issues.

Severity

High - diagnose this code as soon as possible.

Can I drive?

Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

• Description
• Common Causes
• Symptoms
• How To Fix
• Cost to Fix
• FAQs
• Comments
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Common Causes of P1512

Symptoms of P1512

How to Fix P1512

Cost to Fix P1512

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Code P1512 Information for Specific Makes

• P1512 Audi — Intake Manifold Changeover Valve Circuit Short To Positive
• P1512 BMW — DISA Control Circuit Signal Low
• P1512 Buick — Intake Manifold Runner Control Stuck Close
• P1512 Cadillac — Intake Manifold Runner Control Stuck Close
• P1512 Chevrolet — Intake Manifold Runner Control Stuck Close
• P1512 Ford — Intake Manifold Runner Control Stuck Closed Bank 1
• P1512 GMC — Intake Manifold Runner Control Stuck Close
• P1512 Jaguar — Closed Throttle Position Switch Low Input
• P1512 Lincoln — Intake Manifold Runner Control Stuck Closed Bank 1
• P1512 Mazda — Intake Manifold Runner Control Stuck Closed Bank 1
• P1512 Mercury — Intake Manifold Runner Control Stuck Closed Bank 1
• P1512 MINI — DISA Control Circuit Signal Low
• P1512 Saturn — Main Throttle Idle Actuator Malfunction Mechanical Failure
• P1512 Subaru — Idle Air Control Solenoid Valve Signal 2 Circuit Low Input
• P1512 Suzuki — Main Throttle Idle Actuator Malfunction
• P1512 Toyota — Boost Pressure High
• P1512 Volkswagen — Intake Manifold Changeover Valve Circuit Short To Positive

About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P1512 Code

1. What are the common symptoms of OBDII code P1512 (Intake Manifold Runner Control Stuck Closed Bank 1)?

The common symptoms include rough idling, decreased engine performance, reduced fuel efficiency, and the Check Engine Light illuminating.

2. What are the possible causes of OBDII code P1512?

The code P1512 can be caused by a faulty intake manifold runner control actuator, a stuck closed intake manifold runner control valve, wiring issues, or a vacuum leak.

3. How can I diagnose the cause of OBDII code P1512?

Diagnosing the cause of P1512 usually involves checking the intake manifold runner control system for any physical obstructions, testing the actuator and valve for proper operation, and inspecting the wiring and vacuum lines for any damage.

4. Can I continue driving with OBDII code P1512 present?

It is not recommended to continue driving with the P1512 code as it can lead to further engine damage and decreased performance. It is best to address the issue promptly.

5. How can I repair OBDII code P1512 (Intake Manifold Runner Control Stuck Closed Bank 1)?

Repairing the P1512 code typically involves replacing the faulty intake manifold runner control actuator or repairing any wiring or vacuum leaks causing the issue.

6. Is it possible to clear the OBDII code P1512 without fixing the underlying issue?

Clearing the code without addressing the underlying problem will only temporarily turn off the Check Engine Light. The issue will likely resurface, and the code will reappear.

7. Can a DIY enthusiast fix OBDII code P1512 at home?

Depending on the skill level and access to tools, some DIY enthusiasts may be able to diagnose and fix the P1512 code at home. However, it is recommended to consult a professional if unsure.

8. How much does it typically cost to repair OBDII code P1512?

The cost of repairing the P1512 code can vary depending on the cause of the issue, the labor rates in your area, and the specific components that need to be replaced. It is advisable to obtain quotes from local mechanics.

9. Are there any preventive measures to avoid OBDII code P1512 in the future?

Regular maintenance of the intake manifold runner control system, including cleaning and inspection, can help prevent issues that may trigger the P1512 code.

10. Will OBDII code P1512 affect the overall drivability of the vehicle?

Yes, OBDII code P1512 can affect the drivability of the vehicle by causing rough idling, reduced engine performance, and decreased fuel efficiency. It is essential to address the issue promptly.