AutoCodes – Lincoln – C1125 Lincoln

C1125 Lincoln Code - Brake Fluid Level Sensor Input Circuit Failure

Quick Answer

The Instrument Cluster (IC) uses 3 basic messaged inputs to control the brake warning indicator. Common causes include Faulty Brake Fluid Level Sensor, Brake Fluid Level Sensor harness is open or shorted, Brake Fluid Level Sensor 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
C1125 Lincoln indicates Brake Fluid Level Sensor Input Circuit Failure.
Common causes
Common causes include Faulty Brake Fluid Level Sensor, Brake Fluid Level Sensor harness is open or shorted, Brake Fluid Level Sensor 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 1,659
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Aug 17, 2020
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Code C1125 Lincoln Description

The Instrument Cluster (IC) uses 3 basic messaged inputs to control the brake warning indicator. The first 2 are the parking brake warning indicator switch and brake fluid level switch. The third is for the Electronic Brake Distribution (EBD), controlled by the ABS. The parking brake warning indicator switch and the brake fluid level switch status are sent from the Smart Junction Box (SJB) over the Medium Speed Controller Area Network (MS-CAN) communication bus. The EBD message is sent from the ABS module over the High Speed Controller Area Network (HS-CAN) communication bus lines.
OBDII Code C1125 Lincoln - Brake Fluid Level Sensor Input Circuit Failure - AutoCodes.com
C1125 Lincoln Code - Brake Fluid Level Sensor Input Circuit Failure

What are the Possible Causes of the DTC C1125 Lincoln?

  • Faulty Brake Fluid Level Sensor
  • Brake Fluid Level Sensor harness is open or shorted
  • Brake Fluid Level Sensor circuit poor electrical connection

How to Fix the DTC C1125 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 C1125 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.

Need more information about the C1125 Lincoln code?

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Need Help with the Code?

Get the C1125 Lincoln 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 C1125 Lincoln Code

1. What are the common symptoms of OBDII code C1125 in a Lincoln related to the brake fluid level sensor input circuit failure?

The common symptoms include the illumination of the brake warning light on the dashboard, a message indicating low brake fluid level, and potential issues with the vehicle's braking system.

2. What are the possible causes of OBDII code C1125 in a Lincoln indicating a brake fluid level sensor input circuit failure?

Possible causes include a faulty brake fluid level sensor, damaged wiring or connectors in the sensor circuit, low brake fluid level, or a malfunction in the vehicle's electronic control unit (ECU).

3. How can I diagnose the OBDII code C1125 in my Lincoln related to a brake fluid level sensor input circuit failure?

Diagnosis involves inspecting the brake fluid level sensor, checking the wiring and connectors for any damage or corrosion, verifying the brake fluid level, and using a diagnostic scanner to read the fault codes stored in the ECU.

4. Can I drive my Lincoln with OBDII code C1125 indicating a brake fluid level sensor input circuit failure?

It is not recommended to drive the vehicle with this issue as it can affect the proper functioning of the braking system. It's advisable to address the problem promptly to ensure safe driving conditions.

5. How can I repair OBDII code C1125 in my Lincoln for a brake fluid level sensor input circuit failure?

Repairing the issue may involve replacing the brake fluid level sensor, repairing or replacing damaged wiring or connectors, topping up the brake fluid to the correct level, and clearing the fault codes stored in the ECU.

6. Is it possible to reset the OBDII code C1125 in a Lincoln without fixing the underlying issue?

While you can clear the fault code temporarily using a diagnostic scanner, it is crucial to address the root cause of the problem to prevent the code from reappearing and ensure the proper functioning of the brake fluid level sensor.

7. How much does it typically cost to repair OBDII code C1125 in a Lincoln for a brake fluid level sensor input circuit failure?

The cost of repair can vary depending on the specific cause of the issue, the labor rates in your area, and whether any parts need to be replaced. It is recommended to consult with a qualified mechanic for an accurate estimate.

8. Can extreme weather conditions affect the likelihood of OBDII code C1125 appearing in a Lincoln due to a brake fluid level sensor input circuit failure?

Extreme temperatures or humidity levels can potentially impact the performance of the brake fluid level sensor and its circuit, leading to the triggering of the OBDII code C1125. Regular maintenance and inspections can help prevent such issues.

9. Are there any preventative measures I can take to avoid encountering OBDII code C1125 in my Lincoln related to a brake fluid level sensor input circuit failure?

Routine checks of the brake fluid level, inspecting the sensor and its connections for any signs of wear or damage, and addressing any issues promptly can help prevent the occurrence of this fault code.

10. Can a DIY enthusiast with some automotive knowledge repair OBDII code C1125 in a Lincoln for a brake fluid level sensor input circuit failure?

While some aspects of the repair, such as checking connections and topping up brake fluid, can be done by a DIY enthusiast, diagnosing and replacing more complex components may require professional expertise. It's advisable to seek guidance from a qualified mechanic for a comprehensive repair.

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