AutoCodes – Ford – C1904 Ford

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

Quick Answer

The Air Suspension Module monitors the Ride Control Right Rear Shock Actuator. Common causes include Faulty Ride Control Right Rear Shock Actuator, Ride Control Right Rear Shock Actuator harness is open or shorted, Ride Control Right Rear Shock Actuator circuit poor electrical connection. 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 Faulty Ride Control Right Rear Shock Actuator, Ride Control Right Rear Shock Actuator harness is open or shorted, Ride Control Right Rear Shock Actuator circuit poor electrical connection.
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.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 968
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Dec 03, 2020
πŸ’¬ Need more help? Ask Coddy for instant answers β€” it's free!

Code C1904 Ford Description

The Air Suspension Module monitors the Ride Control Right Rear Shock Actuator. The Air Suspension Module sets the OBDII code when the Ride Control Right Rear Shock Actuator is not to factory specifications.
OBDII Code C1904 Ford - Ride Control Right Rear Shock Actuator Circuit Short To Ground - AutoCodes.com
C1904 Ford Code - Ride Control Right Rear Shock Actuator Circuit Short To Ground

What are the Possible Causes of the DTC C1904 Ford?

  • Faulty Ride Control Right Rear Shock Actuator
  • Ride Control Right Rear Shock Actuator harness is open or shorted
  • Ride Control Right Rear Shock Actuator circuit poor electrical connection
  • Faulty Air Suspension Module

How to Fix the DTC C1904 Ford?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the C1904 Ford code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

Need more information about the C1904 Ford code?

Need more information on how to fix the C1904 Ford code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the C1904 Ford code diagnosed by a professional: Find a repair shop in your area

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.

Discuss the causes and fixes for C1904 Ford OBDII Code

Code C1904 Ford comments

No comments found for this page.

AutoCodes App

Fix Your Car Smarter

Try the New AutoCodes App!

Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.

AutoCodes App on Google Play