C1918 Mercury Code - Air Suspension Ride Height Select Switch Circuit Failure
Quick Answer
The Air Suspension Module monitors the Air Suspension Ride Height Select Switch. Common causes include Faulty Air Suspension Ride Height Select Switch, Air Suspension Ride Height Select Switch harness is open or shorted, Air Suspension Ride Height Select Switch 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
- C1918 Mercury indicates Air Suspension Ride Height Select Switch Circuit Failure.
- Common causes
- Common causes include Faulty Air Suspension Ride Height Select Switch, Air Suspension Ride Height Select Switch harness is open or shorted, Air Suspension Ride Height Select Switch 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.
Code C1918 Mercury Description
What are the Possible Causes of the DTC C1918 Mercury?
- Faulty Air Suspension Ride Height Select Switch
- Air Suspension Ride Height Select Switch harness is open or shorted
- Air Suspension Ride Height Select Switch circuit poor electrical connection
How to Fix the DTC C1918 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 C1918 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.
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Frequently Asked Questions about C1918 Mercury Code
1. What are common symptoms of OBDII code C1918 in a Mercury related to Air Suspension Ride Height Select Switch Circuit Failure?
The common symptoms include the air suspension system not responding to ride height adjustments, the ride height select switch not working, and the vehicle sitting too high or too low.
2. What are possible causes of OBDII code C1918 in a Mercury related to Air Suspension Ride Height Select Switch Circuit Failure?
Possible causes include a faulty ride height select switch, wiring issues in the circuit, a malfunctioning suspension control module, or a blown fuse related to the air suspension system.
3. How can I diagnose the OBDII code C1918 in a Mercury related to Air Suspension Ride Height Select Switch Circuit Failure?
Diagnosing this code involves checking the ride height select switch for proper operation, inspecting the wiring and connectors for any damage, testing the suspension control module, and scanning for additional fault codes in the system.
4. Can I still drive my Mercury with OBDII code C1918 related to Air Suspension Ride Height Select Switch Circuit Failure?
It is not recommended to drive the vehicle with this code active, as it can affect the performance and safety of the air suspension system. It's best to address the issue promptly.
5. How can I repair OBDII code C1918 in a Mercury related to Air Suspension Ride Height Select Switch Circuit Failure?
Repairing this code may involve replacing the faulty ride height select switch, repairing any damaged wiring or connectors, resetting the suspension control module, and clearing the fault code from the system.
6. Is it possible to reset the OBDII code C1918 in a Mercury related to Air Suspension Ride Height Select Switch Circuit Failure without repairs?
While clearing the fault code may temporarily turn off the warning light, it is important to address the underlying issue causing the code to prevent further problems with the air suspension system.
7. Can a DIY enthusiast fix OBDII code C1918 in a Mercury related to Air Suspension Ride Height Select Switch Circuit Failure?
Depending on the skill level and tools available, a DIY enthusiast may be able to diagnose and repair simple causes of this code, such as replacing the ride height select switch or checking for loose connections.
8. How much does it typically cost to repair OBDII code C1918 in a Mercury related to Air Suspension Ride Height Select Switch Circuit Failure?
The cost of repair can vary depending on the specific cause of the issue. Simple repairs like replacing a switch may cost less, while more complex problems involving the suspension control module can be more expensive.
9. Are there any preventive maintenance tips to avoid OBDII code C1918 in a Mercury related to Air Suspension Ride Height Select Switch Circuit Failure?
Regularly inspecting the air suspension system, checking the ride height select switch for proper operation, and addressing any issues promptly can help prevent this code from occurring.
10. Will OBDII code C1918 in a Mercury related to Air Suspension Ride Height Select Switch Circuit Failure affect the overall performance of the vehicle?
While this code primarily relates to the air suspension system, ignoring the issue can lead to uneven ride height, poor handling, and potential safety concerns. It is important to address the problem to maintain the vehicle's performance.
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