Engine-CodesLincoln – C1906 Lincoln

C1906 Lincoln Code - Ride Control Left Rear Shock Actuator Circuit Open

Quick Answer

The C1906 diagnostic trouble code for Lincoln vehicles indicates a problem with the ride control left rear shock actuator circuit being open. Common causes include Damaged or corroded wiring in the shock actuator circuit, Faulty shock actuator or control module, Loose or disconnected electrical connections. 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
C1906 Lincoln indicates Ride Control Left Rear Shock Actuator Circuit Open.
Common causes
Common causes include Damaged or corroded wiring in the shock actuator circuit, Faulty shock actuator or control module, Loose or disconnected electrical connections.
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.
Table of contents Created and updated by William Orellana on Sep 12, 2024
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Code C1906 Lincoln Description

The C1906 diagnostic trouble code for Lincoln vehicles indicates a problem with the ride control left rear shock actuator circuit being open. The ride control system in a vehicle is responsible for adjusting the suspension settings to provide a smooth and comfortable ride while also ensuring optimal handling and stability. The shock actuator circuit is a crucial component of this system, as it controls the operation of the rear shock absorber on the left side of the vehicle.

OBDII Code C1906 Lincoln - Ride Control Left Rear Shock Actuator Circuit Open
C1906 Lincoln Code - Ride Control Left Rear Shock Actuator Circuit Open

Common Causes of C1906 Lincoln

  1. Damaged or corroded wiring in the shock actuator circuit
  2. Faulty shock actuator or control module
  3. Loose or disconnected electrical connections
  4. Water or moisture intrusion in the circuit
  5. Wear and tear over time on the shock actuator components

Symptoms of C1906 Lincoln

  1. Rough and bouncy ride
  2. Uneven handling or steering
  3. Suspension bottoming out
  4. Illuminated warning light on the dashboard
  5. Abnormal noises coming from the rear suspension area

How to Fix C1906 Lincoln

  1. Begin by conducting a thorough inspection of the shock actuator circuit, including the wiring, connectors, and control module.
  2. Test the electrical connections and components using a multimeter to identify any breaks or irregularities in the circuit.
  3. Replace any damaged wiring or connectors and ensure all connections are secure and properly tightened.
  4. If the shock actuator or control module is faulty, replace the defective component with a new one.
  5. Clear the diagnostic trouble code from the vehicle's system and test drive the vehicle to ensure the issue has been resolved.

Cost to Fix C1906 Lincoln

The cost of repairing a ride control left rear shock actuator circuit open issue can vary depending on the extent of the damage and the specific components that need to be replaced. On average, the repair costs for this type of problem can range from $200 to $500, including parts and labor. However, it's important to note that the actual cost may be higher or lower based on factors such as the location of the repair shop, the make and model of the vehicle, and the expertise of the technician. Diagnostic time and labor rates at auto repair shops typically range from $80 to $150 per hour, so it's advisable to inquire about specific rates when seeking a repair estimate.

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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 C1906 Lincoln Code

1. What are the common symptoms of OBDII code C1906 in a Lincoln related to the Ride Control Left Rear Shock Actuator Circuit Open?

The common symptoms include a warning light on the dashboard indicating an issue with the ride control system, irregular or harsh ride quality, and potential difficulty controlling the vehicle's suspension.

2. What are the possible causes of OBDII code C1906 in a Lincoln related to the Ride Control Left Rear Shock Actuator Circuit Open?

Possible causes include a damaged or faulty shock actuator, a broken wire or connector in the circuit, a malfunctioning ride control module, or issues with the vehicle's suspension system.

3. How can I diagnose the issue causing OBDII code C1906 in a Lincoln related to the Ride Control Left Rear Shock Actuator Circuit Open?

Diagnosis involves using an OBDII scanner to retrieve the specific code, visually inspecting the shock actuator and related components for damage, testing the circuit for continuity, and checking the ride control module for proper operation.

4. Can I continue driving my Lincoln with OBDII code C1906 related to the Ride Control Left Rear Shock Actuator Circuit Open?

It is not recommended to continue driving the vehicle with this code present, as it can affect the vehicle's suspension performance and potentially compromise safety. It is advisable to have the issue diagnosed and repaired promptly.

5. How can I repair OBDII code C1906 in a Lincoln related to the Ride Control Left Rear Shock Actuator Circuit Open?

Repair options may include replacing the shock actuator, repairing or replacing damaged wiring or connectors, resetting the ride control module, and ensuring proper functioning of the suspension system.

6. Is it possible to clear the OBDII code C1906 related to the Ride Control Left Rear Shock Actuator Circuit Open without fixing the issue?

While it is possible to clear the code temporarily using an OBDII scanner, the underlying issue causing the code will persist. It is important to address the root cause of the problem to prevent further issues.

7. How much does it typically cost to repair OBDII code C1906 in a Lincoln related to the Ride Control Left Rear Shock Actuator Circuit Open?

The cost of repair can vary depending on the specific cause of the issue, the parts needed for repair, and labor costs. It is recommended to consult with a professional mechanic for an accurate estimate.

8. Can extreme weather conditions contribute to triggering OBDII code C1906 in a Lincoln related to the Ride Control Left Rear Shock Actuator Circuit Open?

Extreme weather conditions, such as excessive heat or moisture, can potentially damage the shock actuator or wiring in the circuit, leading to the triggering of this OBDII code. It is important to maintain the vehicle properly to prevent weather-related issues.

9. Is it possible to prevent OBDII code C1906 related to the Ride Control Left Rear Shock Actuator Circuit Open in my Lincoln?

Regular maintenance and inspections of the suspension system, including the shock actuators and related components, can help prevent issues that may trigger this OBDII code. Addressing any warning signs promptly can also help prevent further complications.

10. Will fixing OBDII code C1906 in a Lincoln related to the Ride Control Left Rear Shock Actuator Circuit Open improve the vehicle's overall performance?

Fixing this issue can improve the vehicle's ride quality, handling, and overall performance by ensuring that the suspension system functions correctly. It can also help prevent further damage to other components in the system.

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