C1790 Lincoln Code - Air Suspension Left Rear Air Spring/Shock Solenoid Output Circuit Failure
Quick Answer
The Vehicle Dynamic Module (VDM) will command the air spring solenoid(s) ON or OFF when certain conditions are met. Common causes include Faulty Air Suspension Left Rear Air Spring/Shock Solenoid, Air Suspension Left Rear Air Spring/Shock Solenoid harness is open or shorted, Air Suspension Left Rear Air Spring/Shock Solenoid 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
- C1790 Lincoln indicates Air Suspension Left Rear Air Spring/Shock Solenoid Output Circuit Failure.
- Common causes
- Common causes include Faulty Air Suspension Left Rear Air Spring/Shock Solenoid, Air Suspension Left Rear Air Spring/Shock Solenoid harness is open or shorted, Air Suspension Left Rear Air Spring/Shock Solenoid 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 C1790 Lincoln Description
What are the Possible Causes of the DTC C1790 Lincoln?
- Faulty Air Suspension Left Rear Air Spring/Shock Solenoid
- Air Suspension Left Rear Air Spring/Shock Solenoid harness is open or shorted
- Air Suspension Left Rear Air Spring/Shock Solenoid circuit poor electrical connection
- Faulty Vehicle Dynamic Module (VDM)
How to Fix the DTC C1790 Lincoln?
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 C1790 Lincoln 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 C1790 Lincoln Code
1. What are the common symptoms of OBDII code C1790 in a Lincoln related to the Air Suspension Left Rear Air Spring/Shock Solenoid Output Circuit Failure?
- Common symptoms include a noticeable sagging of the left rear of the vehicle, uneven ride height, and possible issues with the air suspension system.
2. What are some possible causes for OBDII code C1790 in a Lincoln indicating Air Suspension Left Rear Air Spring/Shock Solenoid Output Circuit Failure?
- Causes can include a faulty air spring or shock solenoid, damaged wiring or connectors in the circuit, or a malfunctioning air suspension control module.
3. How can I diagnose the issue causing OBDII code C1790 in my Lincoln related to the Air Suspension Left Rear Air Spring/Shock Solenoid Output Circuit Failure?
- Diagnosing the issue may involve visually inspecting the air spring and solenoid, checking the wiring and connectors for damage, and using a diagnostic scan tool to read the trouble codes.
4. Is it safe to drive my Lincoln with OBDII code C1790 indicating Air Suspension Left Rear Air Spring/Shock Solenoid Output Circuit Failure?
- It is not recommended to drive the vehicle with this issue as it can affect the overall stability and performance of the air suspension system.
5. What are some repair tips for fixing OBDII code C1790 in a Lincoln related to the Air Suspension Left Rear Air Spring/Shock Solenoid Output Circuit Failure?
- Repair tips may include replacing the faulty air spring or shock solenoid, repairing any damaged wiring or connectors, and resetting the air suspension system.
6. Can resetting the air suspension system help clear OBDII code C1790 in a Lincoln indicating Air Suspension Left Rear Air Spring/Shock Solenoid Output Circuit Failure?
- Resetting the air suspension system may temporarily clear the code, but it is important to address the underlying issue to prevent the code from reoccurring.
7. How much does it typically cost to repair OBDII code C1790 in a Lincoln related to the Air Suspension Left Rear Air Spring/Shock Solenoid Output Circuit Failure?
- The cost of repairing this code can vary depending on the specific issue, but it may involve parts and labor costs for replacing components or repairing the circuit.
8. Are there any preventive maintenance measures I can take to avoid OBDII code C1790 in my Lincoln related to the Air Suspension Left Rear Air Spring/Shock Solenoid Output Circuit Failure?
- Regularly inspecting the air suspension components, checking for any signs of wear or damage, and addressing any issues promptly can help prevent this code from occurring.
9. Will OBDII code C1790 in a Lincoln indicating Air Suspension Left Rear Air Spring/Shock Solenoid Output Circuit Failure affect the overall performance of the vehicle?
- Yes, this code can affect the ride quality, stability, and overall performance of the vehicle, particularly in relation to the air suspension system.
10. Can a DIY enthusiast with automotive knowledge repair OBDII code C1790 in a Lincoln related to the Air Suspension Left Rear Air Spring/Shock Solenoid Output Circuit Failure?
- Depending on the specific issue, a DIY enthusiast with the necessary tools and knowledge may be able to address some aspects of the repair, but complex issues may require professional assistance.
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