AutoCodes – Lincoln – C1725 Lincoln

C1725 Lincoln Code - Air Suspension Front Pneumatic Failure

Quick Answer

The Vehicle Dynamic Module (VDM) will command the air compressor and air solenoid valves to either fill or vent the air springs depending on the input from the 3 height sensors. Common causes include Air leak(s), Air line blockage(s), Air line(s). 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: C1725 Lincoln indicates Air Suspension Front Pneumatic Failure.
Common causes: Common causes include Air leak(s), Air line blockage(s), Air line(s).
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.

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Code Popularity 9,631

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Nov 19, 2020

Description
Possible Causes
How To Fix
Tech Notes ▶
Cost to Diagnose
FAQs
Comments
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Code C1725 Lincoln Description

The Vehicle Dynamic Module (VDM) will command the air compressor and air solenoid valves to either fill or vent the air springs depending on the input from the 3 height sensors. The air compressor sends the air to the air springs first through the drier, then along the air lines, passing through several T-fittings and connections, through the air solenoid valves and finally to the air springs.

OBDII Code C1725 Lincoln - Air Suspension Front Pneumatic Failure - AutoCodes.com — C1725 Lincoln Code - Air Suspension Front Pneumatic Failure

What does this mean?

What are the Possible Causes of the DTC C1725 Lincoln?

Air leak(s)
Air line blockage(s)
Air line(s)
Mounting bracket(s)
Air compressor drier
Air spring solenoid valve(s)
Height sensor(s)
Air compressor
Faulty Vehicle Dynamic Module (VDM)
Air spring(s)

How to Fix the DTC C1725 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 does this mean?

Code Tech Notes

User Submitted Video

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the C1725 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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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 C1725 Lincoln Code

1. What are the common symptoms of OBDII code C1725 in a Lincoln related to Air Suspension Front Pneumatic Failure?

- Common symptoms include a noticeable sagging or uneven stance of the vehicle, a rough or bumpy ride, and the front end of the vehicle sitting lower than usual.

2. What are the possible causes of OBDII code C1725 in a Lincoln indicating Air Suspension Front Pneumatic Failure?

- Possible causes may include a leak in the front pneumatic air suspension system, a faulty air compressor, damaged air springs, or issues with the air suspension control module.

3. How can I diagnose the OBDII code C1725 in a Lincoln for Air Suspension Front Pneumatic Failure?

- Diagnosis typically involves using an OBDII scanner to retrieve the code, inspecting the front air suspension components for leaks or damage, testing the air compressor and air springs, and checking the air suspension control module for any faults.

4. Is it safe to drive my Lincoln with OBDII code C1725 related to Air Suspension Front Pneumatic Failure?

- It is not recommended to drive the vehicle with this code as it can lead to further damage to the air suspension system and affect the overall handling and stability of the vehicle.

5. What are some repair tips for fixing OBDII code C1725 in a Lincoln associated with Air Suspension Front Pneumatic Failure?

- Repair tips may include repairing any leaks in the air suspension system, replacing faulty air springs or the air compressor, resetting the air suspension control module, and ensuring proper calibration of the system.

6. Can I reset the OBDII code C1725 in a Lincoln related to Air Suspension Front Pneumatic Failure on my own?

- While you can attempt to reset the code using an OBDII scanner, it is important to address the underlying issue causing the code to prevent it from reoccurring.

7. How much does it typically cost to repair OBDII code C1725 indicating Air Suspension Front Pneumatic Failure in a Lincoln?

- Repair costs can vary depending on the specific problem, but they may range from a few hundred to over a thousand dollars, including parts and labor.

8. Are there any preventive measures to avoid OBDII code C1725 in a Lincoln due to Air Suspension Front Pneumatic Failure?

- Regularly inspecting the air suspension system for leaks or damage, maintaining proper air pressure, and addressing any issues promptly can help prevent this code from appearing.