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Engine-Codes – Generic – C1108

C1108 Code - Front Left Sensor 2

Quick Answer

The C1108 code refers to an issue with the Front Left Sensor 2 in a vehicle's braking system. Common causes include Faulty Front Left Sensor 2, Damaged wiring or connections leading to the sensor, Corrosion or debris affecting sensor performance. 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
C1108 indicates Front Left Sensor 2.
Common causes
Common causes include Faulty Front Left Sensor 2, Damaged wiring or connections leading to the sensor, Corrosion or debris affecting sensor performance.
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 06, 2024
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Code C1108 Description

The C1108 code refers to an issue with the Front Left Sensor 2 in a vehicle's braking system. This sensor is responsible for monitoring the wheel speed of the front left wheel and sending this data to the vehicle's electronic control unit (ECU). This information is crucial for the proper functioning of the vehicle's anti-lock braking system (ABS) and traction control system.

OBDII Code C1108 - Front Left Sensor 2
C1108 Code - Front Left Sensor 2

Common Causes of C1108

  1. Faulty Front Left Sensor 2
  2. Damaged wiring or connections leading to the sensor
  3. Corrosion or debris affecting sensor performance
  4. Issues with the ABS module or ECU
  5. Mechanical damage to the front left wheel bearing or hub assembly

Symptoms of C1108

  1. Illuminated ABS warning light on the dashboard
  2. Increased stopping distances during braking
  3. Difficulty maintaining traction on slippery surfaces
  4. Wheel lock-up during sudden stops
  5. Unusual noises coming from the front left wheel area

How to Fix C1108

  1. Begin by locating the Front Left Sensor 2, typically located near the front left wheel hub assembly.
  2. Inspect the sensor and its wiring for any visible damage or corrosion. Replace the sensor if necessary.
  3. Check the wiring connections and repair or replace any damaged wires or connectors.
  4. Clear the trouble code from the vehicle's ECU using a diagnostic scan tool.
  5. Test drive the vehicle to ensure that the ABS and traction control systems are functioning correctly.

Cost to Fix C1108

The typical repair costs for addressing a C1108 code related to the Front Left Sensor 2 can range from $150 to $300, including parts and labor. However, it is essential to note that the specific diagnosis time and labor rates at auto repair shops can vary based on factors such as location, vehicle make and model, and engine type. It is advisable to check with local auto repair shops for a more accurate estimate of the repair costs.

When is the Code Detected?

ABS actuator and electric unit (control unit) cannot identify sensor pulses, because of large gap between wheel sensor and sens rotor.

Need more information about the C1108 code?

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Code C1108 Information for Specific Makes

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 C1108 Code

1. What are the common symptoms of OBDII code C1108 (Front Left Sensor 2)?

The common symptoms of OBDII code C1108 include issues with the ABS system, the traction control system, and potential illumination of the ABS warning light on the dashboard.

2. What are some possible causes of OBDII code C1108?

Possible causes of OBDII code C1108 include a faulty front left wheel speed sensor, damaged wiring or connectors related to the sensor, or a malfunction in the ABS control module.

3. How can I diagnose the issue related to OBDII code C1108?

To diagnose the issue related to OBDII code C1108, you can use an OBDII scanner to read the code, inspect the front left wheel speed sensor and its wiring for any visible damage, and perform a thorough inspection of the ABS system components.

4. Can I still drive my vehicle with OBDII code C1108 present?

It is not recommended to drive your vehicle with OBDII code C1108 present as it can affect the proper functioning of the ABS and traction control systems, potentially compromising your safety on the road.

5. How can I repair OBDII code C1108 (Front Left Sensor 2) myself?

Depending on the exact cause, repairing OBDII code C1108 may involve replacing the front left wheel speed sensor, repairing or replacing damaged wiring or connectors, or recalibrating the ABS control module. It is recommended to have some level of technical expertise when attempting these repairs.

6. Is it necessary to reset the OBDII code C1108 after making repairs?

Yes, it is important to reset the OBDII code C1108 after making repairs to see if the issue has been resolved. You can do this using an OBDII scanner or by disconnecting the vehicle's battery for a few minutes.

7. How much does it typically cost to repair OBDII code C1108 at a professional auto repair shop?

The cost of repairing OBDII code C1108 at a professional auto repair shop can vary depending on the exact cause of the issue, the labor rates in your area, and the cost of any replacement parts needed. It is recommended to obtain quotes from different shops for an accurate estimate.

8. Can weather conditions affect the occurrence of OBDII code C1108?

Extreme weather conditions, such as heavy rain or snow, can potentially affect the front left wheel speed sensor and trigger OBDII code C1108. Keeping the sensor and its connectors clean and well-protected can help prevent weather-related issues.

9. How important is it to address OBDII code C1108 promptly?

It is important to address OBDII code C1108 promptly to ensure the proper functioning of the ABS and traction control systems in your vehicle. Ignoring this code can lead to safety risks and potential damage to other components in the ABS system.

10. Is OBDII code C1108 a common issue in certain vehicle makes and models?

OBDII code C1108 (Front Left Sensor 2) may be more common in vehicles equipped with ABS and traction control systems that use wheel speed sensors, such as many modern cars, trucks, and SUVs. It is important to refer to your vehicle's specific diagnostic manual for accurate information.

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