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C1904 Ford Code - Ride Control Right Rear Shock Actuator Circuit Short To Ground

Quick Answer

The C1904 Ford diagnostic trouble code (DTC) specifically refers to a problem with the Ride Control Right Rear Shock Actuator Circuit Short To Ground. Common causes include Damaged wiring or connectors in the right rear shock actuator circuit, Faulty right rear shock actuator, Malfunctioning ride control module. 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
C1904 Ford indicates Ride Control Right Rear Shock Actuator Circuit Short To Ground.
Common causes
Common causes include Damaged wiring or connectors in the right rear shock actuator circuit, Faulty right rear shock actuator, Malfunctioning ride control module.
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 Sep 09, 2024
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Code C1904 Ford Description

The C1904 Ford diagnostic trouble code (DTC) specifically refers to a problem with the Ride Control Right Rear Shock Actuator Circuit Short To Ground. This means that there is a short circuit in the wiring or components associated with the right rear shock actuator in the vehicle's ride control system. The ride control system is responsible for adjusting the vehicle's suspension to provide a smooth and comfortable ride while also ensuring optimal handling and stability. When there is a short to ground in the right rear shock actuator circuit, it can lead to issues with the vehicle's ride quality, handling, and overall performance.

OBDII Code C1904 Ford - Ride Control Right Rear Shock Actuator Circuit Short To Ground
C1904 Ford Code - Ride Control Right Rear Shock Actuator Circuit Short To Ground

Common Causes of C1904 Ford

  1. Damaged wiring or connectors in the right rear shock actuator circuit
  2. Faulty right rear shock actuator
  3. Malfunctioning ride control module
  4. Poor electrical connection in the circuit
  5. Corrosion or moisture in the electrical components

Symptoms of C1904 Ford

  1. Rough or bumpy ride
  2. Poor handling, especially over bumps or corners
  3. Reduced stability and control
  4. Dashboard warning light related to the ride control system
  5. Abnormal noises coming from the right rear suspension area

How to Fix C1904 Ford

  1. Diagnose the issue by performing a thorough inspection of the right rear shock actuator circuit, including checking for damaged wiring, connectors, and components.
  2. Test the right rear shock actuator and control module to determine if they are functioning properly.
  3. Repair or replace any damaged wiring, connectors, or components in the circuit.
  4. Clear the DTC from the vehicle's computer system and test drive the vehicle to ensure the issue has been resolved.
  5. If necessary, recalibrate the ride control system to ensure proper operation of the right rear shock actuator.

Cost to Fix C1904 Ford

The typical repair costs for addressing a Ride Control Right Rear Shock Actuator Circuit Short To Ground can vary depending on the extent of the damage and the specific components that need to be repaired or replaced. In general, the cost of parts for this repair can range from $100 to $500, while labor costs can range from $150 to $300. However, the specific diagnosis time and labor rates at auto repair shops can vary based on factors such as location, vehicle make and model, and engine type. It's advisable to check local rates for a more precise estimate. Keep in mind that rates in metropolitan areas or at dealerships may be higher, while independent shops often charge less for labor.

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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 C1904 Ford Code

1. What are the common symptoms of OBDII code C1904 Ford Ride Control Right Rear Shock Actuator Circuit Short To Ground?

The common symptoms include a warning light on the dashboard, rough or bumpy ride quality, and potential issues with the right rear shock absorber.

2. What can cause the OBDII code C1904 Ford Ride Control Right Rear Shock Actuator Circuit Short To Ground?

The code can be triggered by a short to ground in the circuit, damaged wiring, a faulty shock actuator, or a problem with the ride control system.

3. How can I diagnose the OBDII code C1904 Ford Ride Control Right Rear Shock Actuator Circuit Short To Ground?

To diagnose the issue, you can use a diagnostic scanner to read the trouble code, inspect the wiring for any damage, test the shock actuator, and check the ride control system for any faults.

4. Can I drive my vehicle with the OBDII code C1904 Ford Ride Control Right Rear Shock Actuator Circuit Short To Ground?

It is not recommended to drive your vehicle with this code present, as it can affect the performance and safety of the ride control system.

5. How can I repair the OBDII code C1904 Ford Ride Control Right Rear Shock Actuator Circuit Short To Ground?

Repair options include fixing any damaged wiring, replacing the right rear shock actuator if necessary, and resetting the trouble code with a diagnostic scanner.

6. Is it possible to reset the OBDII code C1904 Ford Ride Control Right Rear Shock Actuator Circuit Short To Ground without repairs?

Resetting the code without addressing the underlying issue is not recommended, as the problem may persist and affect the functionality of the ride control system.

7. Are there any DIY repair tips for the OBDII code C1904 Ford Ride Control Right Rear Shock Actuator Circuit Short To Ground?

While some basic inspections can be done DIY, it is recommended to seek professional help for diagnosing and repairing this specific code due to the complexity of the ride control system.

8. How much does it typically cost to repair the OBDII code C1904 Ford Ride Control Right Rear Shock Actuator Circuit Short To Ground?

Repair costs can vary depending on the extent of the damage and the specific parts that need replacement, but it is advisable to consult a mechanic for an accurate estimate.

9. Can extreme weather conditions cause the OBDII code C1904 Ford Ride Control Right Rear Shock Actuator Circuit Short To Ground?

Extreme weather conditions can potentially damage the wiring or components in the ride control system, leading to issues like a short to ground and triggering the trouble code.

10. How can regular maintenance help prevent the OBDII code C1904 Ford Ride Control Right Rear Shock Actuator Circuit Short To Ground?

Regular inspections, maintenance checks, and timely repairs of the ride control system can help prevent issues like shorts to ground and ensure optimal performance of the shock actuator.

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