C1918 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 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 Description
What are the Possible Causes of the DTC C1918?
- 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?
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 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 C1918 code?
Need more information on how to fix the C1918 code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the C1918 code diagnosed by a professional: Find a repair shop in your area
Information for Specific Makes
- C1918 Ford — Air Suspension Ride Height Select Switch Circuit Failure
- C1918 Lexus — Rear Yaw Rate Sensor
- C1918 Lincoln — Air Suspension Ride Height Select Switch Circuit Failure
- C1918 Mercury — Air Suspension Ride Height Select Switch Circuit Failure
- C1918 Toyota — Rear Yaw Rate Sensor
Frequently Asked Questions about C1918 Code
1. What are common symptoms of OBDII code C1918 (Air Suspension Ride Height Select Switch Circuit Failure)?
- The common symptoms include issues with the air suspension system, uneven ride height, suspension not adjusting properly, and warning lights on the dashboard.
2. What are the possible causes of OBDII code C1918?
- The possible causes can be a faulty ride height select switch, damaged wiring or connectors in the circuit, or a malfunctioning control module related to the air suspension system.
3. How can I diagnose the Air Suspension Ride Height Select Switch Circuit Failure?
- To diagnose the issue, you can perform a visual inspection of the wiring and connectors, test the ride height select switch for proper functionality, and use an OBDII scanner to retrieve the specific error code.
4. What are some repair tips for fixing OBDII code C1918?
- Repair tips may include checking and replacing damaged wiring or connectors, testing and replacing the ride height select switch if necessary, and resetting the system after repairs are completed.
5. Can I drive my vehicle with OBDII code C1918 present?
- It is not recommended to drive the vehicle with this issue as it can affect the proper functioning of the air suspension system, leading to potential safety hazards and further damage.
6. How much does it typically cost to repair OBDII code C1918?
- The cost of repairing OBDII code C1918 can vary depending on the specific cause of the issue, the parts needed for replacement, and the labor charges at the repair shop. It is recommended to get a diagnosis and estimate from a qualified mechanic.
7. Can OBDII code C1918 be reset without fixing the underlying issue?
- While you can clear the error code using an OBDII scanner, it is important to address the root cause of the problem to prevent the issue from recurring and potentially causing more severe damage to the air suspension system.
8. Are there any preventive measures to avoid OBDII code C1918 in the future?
- Regular maintenance of the air suspension system, including checking wiring and connectors for damage, inspecting the ride height select switch for proper operation, and addressing any issues promptly, can help prevent OBDII code C1918 from occurring.
9. Will OBDII code C1918 cause any damage to other vehicle components if left unfixed?
- Ignoring OBDII code C1918 can lead to further damage to the air suspension system components, potentially affecting the overall ride quality and safety of the vehicle.
10. How long does it take to repair OBDII code C1918?
- The repair time for OBDII code C1918 can vary depending on the complexity of the issue, the availability of parts, and the expertise of the mechanic. It is advisable to consult with a professional for an accurate estimate of the repair duration.
Discuss the causes and fixes for C1918 OBDII Code
Code C1918 comments
No comments found for this page.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
