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C1905 Ford Code - Ride Control Left Rear Shock Actuator Circuit Failure

Quick Answer

The C1905 Ford diagnostic trouble code (DTC) indicates a Ride Control Left Rear Shock Actuator Circuit Failure. Common causes include Faulty shock actuator, Damaged wiring or connectors in the actuator circuit, Sensor malfunction. 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
C1905 Ford indicates Ride Control Left Rear Shock Actuator Circuit Failure.
Common causes
Common causes include Faulty shock actuator, Damaged wiring or connectors in the actuator circuit, Sensor malfunction.
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 18, 2024
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Code C1905 Ford Description

The C1905 Ford diagnostic trouble code (DTC) indicates a Ride Control Left Rear Shock Actuator Circuit Failure. This code specifically points to an issue with the actuator circuit of the left rear shock in the vehicle's ride control system. The ride control system is responsible for adjusting the suspension settings to provide a smooth and stable ride quality. The shock actuator circuit failure can disrupt the proper functioning of the suspension system, leading to potential handling and ride comfort issues.

OBDII Code C1905 Ford - Ride Control Left Rear Shock Actuator Circuit Failure
C1905 Ford Code - Ride Control Left Rear Shock Actuator Circuit Failure

Common Causes of C1905 Ford

  1. Faulty shock actuator
  2. Damaged wiring or connectors in the actuator circuit
  3. Sensor malfunction
  4. Communication issues within the ride control system
  5. Water or debris intrusion affecting the actuator circuit

Symptoms of C1905 Ford

  1. Rough or bumpy ride quality
  2. Uneven suspension height
  3. Warning light illuminated on the dashboard
  4. Difficulty controlling the vehicle, especially over bumps or rough roads
  5. Abnormal noises coming from the suspension system

How to Fix C1905 Ford

  1. Diagnose the specific cause of the circuit failure using a diagnostic scanner and multimeter.
  2. Inspect the shock actuator, wiring, connectors, and sensors for any visible damage or signs of wear.
  3. Repair or replace any damaged components in the actuator circuit.
  4. Clear the DTC from the vehicle's computer memory and test drive the vehicle to ensure the issue has been resolved.
  5. If necessary, recalibrate the ride control system to ensure proper functionality.

Cost to Fix C1905 Ford

The cost of repairing a Ride Control Left Rear Shock Actuator Circuit Failure 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. Keep in mind that diagnostic time and labor rates at auto repair shops can fluctuate, so it's recommended to obtain quotes from multiple shops to get a more accurate estimate. Additionally, rates may be higher at dealerships or in metropolitan areas, while independent shops may offer more competitive prices.

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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 C1905 Ford Code

1. What are common symptoms of OBDII code C1905 for Ford Ride Control Left Rear Shock Actuator Circuit Failure?

The common symptoms include a warning light on the dashboard, rough or bumpy ride quality, and issues with the vehicle's suspension system.

2. What are the possible causes of OBDII code C1905 for Ford Ride Control Left Rear Shock Actuator Circuit Failure?

Potential causes include a faulty shock actuator, damaged wiring or connectors, a malfunctioning control module, or a problem with the suspension system.

3. How can I diagnose OBDII code C1905 for Ford Ride Control Left Rear Shock Actuator Circuit Failure?

Diagnosis typically involves using a diagnostic scanner to read the trouble codes, inspecting the shock actuator and related components for damage, and testing the wiring and connectors for continuity.

4. How can I repair OBDII code C1905 for Ford Ride Control Left Rear Shock Actuator Circuit Failure?

Repair options may include replacing the faulty shock actuator, repairing or replacing damaged wiring or connectors, resetting the control module, or addressing any underlying suspension issues.

5. Can I drive my vehicle with OBDII code C1905 for Ford Ride Control Left Rear Shock Actuator Circuit Failure?

It is not recommended to drive the vehicle with this code present, as it can affect the ride quality, stability, and overall safety of the vehicle.

6. Will resetting the OBDII code C1905 for Ford Ride Control Left Rear Shock Actuator Circuit Failure make it go away permanently?

Resetting the code may temporarily turn off the warning light, but if the underlying issue is not addressed, the code is likely to reappear.

7. How much does it typically cost to repair OBDII code C1905 for Ford Ride Control Left Rear Shock Actuator Circuit Failure?

The cost of repair can vary depending on the extent of the issue, the parts needed, and labor costs. It is recommended to get a diagnosis from a professional technician for an accurate estimate.

8. Can a DIY enthusiast fix OBDII code C1905 for Ford Ride Control Left Rear Shock Actuator Circuit Failure?

While some basic troubleshooting and repairs can be done by DIY enthusiasts, more complex issues may require the expertise of a professional mechanic familiar with Ford vehicles.

9. How long does it usually take to repair OBDII code C1905 for Ford Ride Control Left Rear Shock Actuator Circuit Failure?

The repair time can vary depending on the specific issue and the availability of parts. It is best to consult with a mechanic for an estimate of the repair timeline.

10. Is OBDII code C1905 for Ford Ride Control Left Rear Shock Actuator Circuit Failure a common issue in Ford vehicles?

While it may not be as common as some other OBDII codes, issues with the ride control system can occur in Ford vehicles, especially in older models or those with high mileage.

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