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C1175 Lincoln Code - Left Rear Wheel Speed Sensor Input Circuit Failure

Quick Answer

The C1175 diagnostic trouble code (DTC) for Lincoln vehicles specifically indicates a problem with the left rear wheel speed sensor input circuit. Common causes include Damaged or corroded wiring connecting the left rear wheel speed sensor, Faulty wheel speed sensor, Poor electrical connection at the sensor or ABS module. 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
C1175 Lincoln indicates Left Rear Wheel Speed Sensor Input Circuit Failure.
Common causes
Common causes include Damaged or corroded wiring connecting the left rear wheel speed sensor, Faulty wheel speed sensor, Poor electrical connection at the sensor or ABS module.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 17, 2024
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Code C1175 Lincoln Description

The C1175 diagnostic trouble code (DTC) for Lincoln vehicles specifically indicates a problem with the left rear wheel speed sensor input circuit. This sensor is responsible for monitoring the speed of the left rear wheel and sending this information to the vehicle's anti-lock braking system (ABS) and traction control system. When the sensor input circuit fails, it can lead to inaccurate speed readings, which can affect the vehicle's ABS and traction control systems.

OBDII Code C1175 Lincoln - Left Rear Wheel Speed Sensor Input Circuit Failure
C1175 Lincoln Code - Left Rear Wheel Speed Sensor Input Circuit Failure

Common Causes of C1175 Lincoln

  1. Damaged or corroded wiring connecting the left rear wheel speed sensor
  2. Faulty wheel speed sensor
  3. Poor electrical connection at the sensor or ABS module
  4. Issues with the ABS module itself
  5. Water or debris intrusion affecting the sensor's operation

Symptoms of C1175 Lincoln

  1. ABS warning light illuminated on the dashboard
  2. Traction control system malfunction indicator
  3. Erratic or inconsistent braking behavior
  4. Increased stopping distances
  5. Loss of traction on slippery surfaces

How to Fix C1175 Lincoln

  1. Begin by visually inspecting the wiring harness and connections leading to the left rear wheel speed sensor. Look for any signs of damage, corrosion, or loose connections.
  2. Test the left rear wheel speed sensor using a multimeter to check for proper resistance and continuity. Replace the sensor if it fails the test.
  3. Check the electrical connection at both the sensor and the ABS module to ensure a secure and clean connection.
  4. If the sensor and wiring are in good condition, the issue may lie with the ABS module. Diagnose the ABS module for any faults and replace if necessary.
  5. Clear the DTC from the vehicle's computer using a diagnostic scan tool and test drive the vehicle to ensure the issue has been resolved.

Cost to Fix C1175 Lincoln

The cost of repairing a left rear wheel speed sensor input circuit failure can vary depending on the specific cause of the issue and the labor rates in your area. On average, replacing a wheel speed sensor can cost between $100 and $200, including parts and labor. However, if the problem is related to wiring or the ABS module, the cost may increase. It's recommended to consult with a qualified mechanic or repair shop to get an accurate estimate based on your vehicle's make and model. Keep in mind that diagnostic time and labor rates can vary, so it's advisable to inquire about these factors before proceeding with the repair.

What does this mean?

Tech Notes for C1175 Lincoln









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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 C1175 Lincoln Code

1. What are the common symptoms of OBDII code C1175 in a Lincoln, indicating a Left Rear Wheel Speed Sensor Input Circuit Failure?

The common symptoms include the ABS warning light illuminating on the dashboard, traction control system malfunctions, and potential loss of stability control.

2. What are the primary causes of OBDII code C1175 in a Lincoln related to the Left Rear Wheel Speed Sensor Input Circuit Failure?

The main causes can be a faulty left rear wheel speed sensor, damaged wiring or connectors in the circuit, or issues with the ABS module.

3. How can I diagnose the OBDII code C1175 in a Lincoln with a Left Rear Wheel Speed Sensor Input Circuit Failure?

Diagnosis involves using an OBDII scanner to retrieve the fault code, inspecting the left rear wheel speed sensor and its wiring for damage, and testing the sensor's functionality.

4. Can a DIY enthusiast repair OBDII code C1175 in a Lincoln caused by a Left Rear Wheel Speed Sensor Input Circuit Failure?

Depending on the exact cause, a DIY enthusiast may be able to replace the left rear wheel speed sensor or repair damaged wiring themselves. However, complex issues with the ABS module may require professional help.

5. Are there any repair tips for resolving OBDII code C1175 in a Lincoln due to a Left Rear Wheel Speed Sensor Input Circuit Failure?

Ensure all connections are secure and free of corrosion, check the sensor's mounting and alignment, and follow manufacturer guidelines when replacing components to prevent future issues.

6. How critical is it to address OBDII code C1175 in a Lincoln with a Left Rear Wheel Speed Sensor Input Circuit Failure promptly?

It is important to address the issue promptly as it can affect the vehicle's ABS functionality, traction control, and overall stability, compromising safety on the road.

7. Can a faulty left rear wheel speed sensor cause other OBDII codes to trigger in addition to C1175 in a Lincoln?

Yes, a faulty left rear wheel speed sensor can trigger other related OBDII codes such as wheel speed sensor circuit low input or open circuit codes in the ABS system.

8. Is it possible for environmental factors like dirt or moisture to cause OBDII code C1175 in a Lincoln indicating a Left Rear Wheel Speed Sensor Input Circuit Failure?

Yes, environmental factors like dirt, moisture, or road debris can interfere with the proper functioning of the left rear wheel speed sensor, leading to the triggering of OBDII code C1175.

9. Will driving the Lincoln with OBDII code C1175 due to a Left Rear Wheel Speed Sensor Input Circuit Failure cause further damage to the vehicle?

Continued driving with this issue may lead to further complications in the ABS system, potentially affecting the vehicle's braking performance and safety, so it's best to address the problem promptly.

10. How much can a repair for OBDII code C1175 in a Lincoln caused by a Left Rear Wheel Speed Sensor Input Circuit Failure cost?

The cost of repair can vary depending on the exact cause of the issue, but it may range from around $100 for a DIY sensor replacement to several hundred dollars if professional diagnostics and repairs are needed.

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