Engine-CodesMercury – C1906 Mercury

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

Quick Answer

The C1906 diagnostic trouble code for Mercury vehicles indicates a problem with the Ride Control Left Rear Shock Actuator Circuit being open. Common causes include Damaged wiring or connectors in the shock actuator circuit, Faulty shock actuator, Malfunctioning 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
C1906 Mercury indicates Ride Control Left Rear Shock Actuator Circuit Open.
Common causes
Common causes include Damaged wiring or connectors in the shock actuator circuit, Faulty shock actuator, Malfunctioning 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.
Table of contents Created and updated by William Orellana on Sep 17, 2024
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Code C1906 Mercury Description

The C1906 diagnostic trouble code for Mercury vehicles indicates a problem with the Ride Control Left Rear Shock Actuator Circuit being open. This means that there is an issue with the circuit that controls the left rear shock absorber in the vehicle's suspension system. The shock actuator is responsible for adjusting the damping force of the shock absorber, which is crucial for maintaining a smooth and stable ride quality. When this circuit is open, it can lead to a loss of control over the shock absorber's performance, potentially causing handling issues, uneven tire wear, and a rough ride.

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

Common Causes of C1906 Mercury

  1. Damaged wiring or connectors in the shock actuator circuit
  2. Faulty shock actuator
  3. Malfunctioning control module
  4. Corrosion or moisture in the circuit
  5. Impact or damage to the shock absorber

Symptoms of C1906 Mercury

  1. Rough or bumpy ride quality
  2. Uneven tire wear
  3. Handling issues, such as excessive body roll or sway
  4. Suspension noise, such as clunking or knocking sounds
  5. Warning light illuminated on the dashboard

How to Fix C1906 Mercury

  1. Begin by conducting a visual inspection of the shock actuator circuit, looking for any visible damage to wiring or connectors.
  2. Use a multimeter to test the continuity of the circuit and check for any open circuits.
  3. Inspect the shock actuator for any signs of damage or malfunction, such as leaking fluid or physical damage.
  4. If necessary, replace the shock actuator and repair any damaged wiring or connectors in the circuit.
  5. Clear the diagnostic trouble codes from the vehicle's computer and test drive the vehicle to ensure the issue has been resolved.

Cost to Fix C1906 Mercury

The typical repair costs for addressing the C1906 code on a Mercury vehicle can vary depending on the specific cause of the issue and the cost of parts and labor. In general, the cost of replacing a shock actuator can range from $200 to $500, while the cost of repairing wiring or connectors may be around $100 to $300. Labor costs can add an additional $100 to $300, depending on the shop's hourly rates and the complexity of the repair. It's advisable to check with local auto repair shops for a more accurate estimate based on your vehicle's make and model.

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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 Mercury Code

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

- Common symptoms include a noticeable decrease in ride comfort, uneven handling, and potential warning lights on the dashboard.

2. What are possible causes of OBDII code C1906 in a Mercury indicating an issue with the Ride Control Left Rear Shock Actuator Circuit Open?

- Possible causes may include damaged wiring, a faulty shock actuator, poor electrical connections, or a malfunctioning control module.

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

- Diagnosis typically involves conducting a visual inspection of the wiring, checking the shock actuator for proper functionality, testing electrical connections, and using a diagnostic scanner to retrieve trouble codes.

4. Can I continue driving my Mercury 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 issue as it can affect ride quality and potentially lead to further damage to the suspension system.

5. How can I repair OBDII code C1906 in a Mercury indicating a problem with the Ride Control Left Rear Shock Actuator Circuit Open?

- Repairs may involve repairing or replacing damaged wiring, replacing the shock actuator if necessary, ensuring proper electrical connections, and clearing the trouble code with a diagnostic scanner.

6. Are there any DIY tips for troubleshooting OBDII code C1906 in a Mercury related to the Ride Control Left Rear Shock Actuator Circuit Open?

- DIY tips may include checking for loose or damaged wiring, ensuring all connections are secure, and consulting the vehicle's service manual for specific troubleshooting steps.

7. Will resetting the OBDII system clear the code C1906 in a Mercury indicating an issue with the Ride Control Left Rear Shock Actuator Circuit Open?

- Resetting the OBDII system may temporarily clear the code, but if the underlying issue is not addressed, the code is likely to reappear once the problem is detected again.

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

- Extreme weather conditions such as heavy rain, snow, or extreme temperatures can potentially expose vulnerable electrical components to damage, leading to issues like the one indicated by this trouble code.

9. How long does it typically take to repair OBDII code C1906 in a Mercury associated with the Ride Control Left Rear Shock Actuator Circuit Open?

- The repair time can vary depending on the specific cause of the issue, but it may take anywhere from a few hours to a full day to diagnose and fix the problem successfully.

10. Is it advisable to seek professional help for addressing OBDII code C1906 in a Mercury related to the Ride Control Left Rear Shock Actuator Circuit Open?

- It is recommended to consult a qualified mechanic or automotive technician to properly diagnose and repair the issue, especially if you are unsure about troubleshooting electrical or suspension components.

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