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Engine-Codes – RAM – P1004 RAM

P1004 RAM Code - Short Runner Valve Control Performance

Quick Answer

The P1004 diagnostic trouble code (DTC) refers to a problem with the Short Runner Valve Control Performance in the vehicle's engine. Common causes include Faulty short runner valve, Wiring or electrical issues in the short runner valve control circuit, Vacuum leaks in the intake manifold. 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
P1004 RAM indicates Short Runner Valve Control Performance.
Common causes
Common causes include Faulty short runner valve, Wiring or electrical issues in the short runner valve control circuit, Vacuum leaks in the intake manifold.
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.
What is this?
Table of contents Created and updated by William Orellana on Aug 19, 2024
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Code P1004 RAM Description

The P1004 diagnostic trouble code (DTC) refers to a problem with the Short Runner Valve Control Performance in the vehicle's engine. This code is typically found in vehicles with variable valve timing systems, where the short runner valve controls the length of the intake manifold runners to optimize engine performance at different RPMs. When this valve control performance is not functioning correctly, it can lead to a range of issues affecting the engine's efficiency and power output.

OBDII Code P1004 RAM - Short Runner Valve Control Performance
P1004 RAM Code - Short Runner Valve Control Performance

Common Causes of P1004 RAM

  1. Faulty short runner valve
  2. Wiring or electrical issues in the short runner valve control circuit
  3. Vacuum leaks in the intake manifold
  4. Carbon buildup in the intake system
  5. Engine control module (ECM) software issues

Symptoms of P1004 RAM

  1. Decreased engine performance and power
  2. Rough idling or stalling
  3. Poor fuel efficiency
  4. Illumination of the check engine light
  5. Engine misfires

How to Fix P1004 RAM

  1. Begin by diagnosing the specific cause of the issue using a scan tool to read the DTC and pinpoint the problem area.
  2. Inspect the short runner valve and its wiring for any signs of damage or wear. Replace any faulty components.
  3. Check for vacuum leaks in the intake system and repair or replace any affected components.
  4. Clean the intake system to remove any carbon buildup that may be affecting the short runner valve's performance.
  5. Clear the DTC from the ECM's memory and test drive the vehicle to ensure the issue has been resolved.

Cost to Fix P1004 RAM

The cost of repairing a P1004 DTC can vary depending on the specific cause of the issue and the labor rates in your area. On average, you can expect to pay anywhere from $200 to $500 for parts and labor. It's important to consult with a qualified mechanic or repair shop for an accurate estimate based on your vehicle's make and model.

What does this mean?

Tech Notes for P1004 RAM

There is a Factory Service Bulletin for the following RAM models:
2009 RAM Truck (1500)
2009 RAM Trucks (1500/2500)
RAM Factory Service Bulletin OBDII Code P1004

When is the Code Detected?

The P1004 code is detected when the value is determined to be out of the calibrated range in either the de-energized, greater than 85% duty cycle or less than 75% duty cycle, or energized, greater than 55% duty cycle or less than 35% duty cycle, state for more than a calibrated amount of time, this DTC will set.

Need more information about the P1004 RAM code?

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Need Help with the Code?

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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 P1004 RAM Code

1. What are the common symptoms of OBDII code P1004 (RAM) for Short Runner Valve Control Performance?

- Common symptoms include rough idling, engine misfires, a decrease in fuel efficiency, and a noticeable decrease in engine performance.

2. What are the possible causes of OBDII code P1004 (RAM) indicating Short Runner Valve Control Performance issues?

- Possible causes include a faulty short runner valve control solenoid, a damaged short runner valve, wiring issues, or a problem with the engine's computer.

3. How can I diagnose the source of OBDII code P1004 (RAM) related to Short Runner Valve Control Performance?

- Diagnosing this code typically involves using a scan tool to check for related trouble codes, inspecting the short runner valve control system for physical damage, and testing the electrical connections and components.

4. Can I continue driving my vehicle with OBDII code P1004 (RAM) for Short Runner Valve Control Performance?

- It is not recommended to continue driving with this code present, as it can lead to further damage to the engine and potentially cause safety concerns. It is best to address the issue promptly.

5. How can I repair OBDII code P1004 (RAM) related to Short Runner Valve Control Performance?

- Repairs may involve replacing the short runner valve control solenoid, repairing or replacing damaged wiring, cleaning or replacing the short runner valve, or reprogramming the engine's computer.

6. Are there any DIY tips for addressing OBDII code P1004 (RAM) issues with Short Runner Valve Control Performance?

- DIY tips may include checking for loose or damaged wiring, cleaning the short runner valve, and ensuring proper connections. However, for more complex issues, it is recommended to seek assistance from a professional mechanic.

7. How much does it typically cost to repair OBDII code P1004 (RAM) for Short Runner Valve Control Performance?

- The cost of repairs can vary depending on the specific issue causing the code. Costs may range from a simple fix like replacing a solenoid to a more involved repair like replacing the short runner valve or addressing wiring issues.

8. Can a dirty air filter cause OBDII code P1004 (RAM) for Short Runner Valve Control Performance?

- While a dirty air filter can impact engine performance, it is not a common cause of this specific OBDII code. It is important to address the root cause of the code for proper repair.

9. Will resetting the OBDII system clear the P1004 (RAM) code related to Short Runner Valve Control Performance?

- Resetting the OBDII system may temporarily clear the code, but if the underlying issue is not addressed, the code is likely to return. It is best to diagnose and repair the problem causing the code.

10. Is OBDII code P1004 (RAM) for Short Runner Valve Control Performance a serious issue?

- While the severity of the issue can vary, it is generally recommended to address this code promptly to prevent further engine damage and ensure optimal performance of the vehicle.

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