AutoCodes – Mercury – C1905 Mercury

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

Quick Answer

The Air Suspension Module monitors the Ride Control Left Rear Shock Actuator. Common causes include Faulty Ride Control Left Rear Shock Actuator, Ride Control Left Rear Shock Actuator harness is open or shorted, Ride Control Left 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
C1905 Mercury indicates Ride Control Left Rear Shock Actuator Circuit Failure.
Common causes
Common causes include Faulty Ride Control Left Rear Shock Actuator, Ride Control Left Rear Shock Actuator harness is open or shorted, Ride Control Left 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 705
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Dec 03, 2020
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Code C1905 Mercury Description

The Air Suspension Module monitors the Ride Control Left Rear Shock Actuator. The Air Suspension Module sets the OBDII code when the Ride Control Left Rear Shock Actuator is not to factory specifications.
OBDII Code C1905 Mercury - Ride Control Left Rear Shock Actuator Circuit Failure - AutoCodes.com
C1905 Mercury Code - Ride Control Left Rear Shock Actuator Circuit Failure

What are the Possible Causes of the DTC C1905 Mercury?

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

How to Fix the DTC C1905 Mercury?

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 C1905 Mercury 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 C1905 Mercury code?

Need more information on how to fix the C1905 Mercury code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the C1905 Mercury 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 C1905 Mercury Code

1. What are the common symptoms of OBDII code C1905 on a Mercury related to Ride Control Left Rear Shock Actuator Circuit Failure?

The common symptoms include a warning light on the dashboard, rough or bumpy ride quality, uneven suspension, and potential issues with ride height adjustment.

2. What are the possible causes of OBDII code C1905 on a Mercury related to Ride Control Left Rear Shock Actuator Circuit Failure?

Possible causes include a faulty shock actuator, damaged wiring or connectors, a malfunctioning ride control module, or issues with the suspension system.

3. How can I diagnose the OBDII code C1905 on a Mercury related to Ride Control Left Rear Shock Actuator Circuit Failure?

Diagnosis involves using an OBDII scanner to retrieve the specific fault code, inspecting the shock actuator and related components for damage, checking the wiring and connectors for any issues, and testing the ride control module.

4. Can I continue driving my Mercury with OBDII code C1905 related to Ride Control Left Rear Shock Actuator Circuit Failure?

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

5. How can I repair OBDII code C1905 on a Mercury related to 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 ride control module, or seeking professional assistance for a thorough diagnostic and repair.

6. Are there any DIY tips for fixing OBDII code C1905 on a Mercury related to Ride Control Left Rear Shock Actuator Circuit Failure?

DIY tips may include checking and securing all wiring connections, inspecting the shock actuator for physical damage, and resetting the ride control module by disconnecting the battery for a few minutes.

7. How much does it cost to repair OBDII code C1905 on a Mercury related to Ride Control Left Rear Shock Actuator Circuit Failure?

The cost of repair can vary depending on the specific issue causing the fault code, the parts needed for replacement, labor costs, and whether the repair is done by a professional technician or DIY.

8. Will OBDII code C1905 on a Mercury related to Ride Control Left Rear Shock Actuator Circuit Failure affect vehicle performance?

Yes, this fault code can affect the vehicle's performance by impacting the suspension system, ride quality, and potentially leading to further damage if left unrepaired.

9. Can weather conditions or rough road surfaces trigger OBDII code C1905 on a Mercury related to Ride Control Left Rear Shock Actuator Circuit Failure?

Extreme weather conditions or driving on rough road surfaces can potentially exacerbate existing issues with the shock actuator or suspension system, leading to the triggering of this fault code.

10. How often should I have my Mercury's suspension system inspected to prevent OBDII code C1905 related to Ride Control Left Rear Shock Actuator Circuit Failure?

It is recommended to have your suspension system inspected regularly as part of routine maintenance, especially if you notice any changes in ride quality, unusual noises, or warning lights on the dashboard.

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