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C1120 Infiniti Code - Front Left Input ABS Solenoid

Quick Answer

The C1120 code for Infiniti vehicles indicates a problem with the front left input ABS solenoid. Common causes include Faulty ABS solenoid, Electrical issues such as a short circuit or wiring damage, Corrosion or debris affecting the solenoid's operation. 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
C1120 Infiniti indicates Front Left Input ABS Solenoid.
Common causes
Common causes include Faulty ABS solenoid, Electrical issues such as a short circuit or wiring damage, Corrosion or debris affecting the solenoid's operation.
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 14, 2024
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Code C1120 Infiniti Description

The C1120 code for Infiniti vehicles indicates a problem with the front left input ABS solenoid. The ABS solenoid is a crucial component of the anti-lock braking system (ABS) that helps regulate the brake pressure in the individual wheels to prevent skidding and maintain control during braking. When this solenoid malfunctions or fails to operate correctly, it can lead to issues with the vehicle's braking system, affecting its overall performance and safety.

OBDII Code C1120 Infiniti - Front Left Input ABS Solenoid
C1120 Infiniti Code - Front Left Input ABS Solenoid

Common Causes of C1120 Infiniti

  1. Faulty ABS solenoid
  2. Electrical issues such as a short circuit or wiring damage
  3. Corrosion or debris affecting the solenoid's operation
  4. Mechanical damage to the solenoid or related components
  5. Issues with the ABS control module

Symptoms of C1120 Infiniti

  1. Illumination of the ABS warning light on the dashboard
  2. Loss of ABS functionality, leading to potential skidding during braking
  3. Increased stopping distance when braking
  4. Unusual noises coming from the ABS system
  5. Uneven braking or pulling to one side when applying the brakes

How to Fix C1120 Infiniti

  1. Diagnose the specific cause of the C1120 code using a diagnostic scanner to pinpoint the exact issue with the front left input ABS solenoid.
  2. Inspect the ABS solenoid and related components for any visible damage, corrosion, or debris that may be affecting its operation.
  3. Test the electrical connections and wiring associated with the ABS solenoid to ensure proper connectivity and voltage supply.
  4. Replace the faulty ABS solenoid or repair any damaged components as needed.
  5. Clear the error code from the vehicle's computer system and test the ABS system to ensure proper functionality.

Cost to Fix C1120 Infiniti

The cost of repairing a front left input ABS solenoid on an Infiniti vehicle can vary depending on the specific cause of the issue and the extent of the repairs needed. On average, the parts for this repair can range from $100 to $300, while the labor costs can range from $150 to $400. Overall, the total repair cost for addressing the C1120 code may fall between $250 and $700. It is important to note that these are rough estimates, and actual costs may vary based on factors such as the location of the repair shop, the vehicle's make and model, and any additional repairs or parts needed. It is recommended to obtain quotes from multiple auto repair shops to compare prices and ensure a fair cost for the repair.

What does this mean?

Tech Notes for C1120 Infiniti

The ABS has an electronic control unit to control major functions. The control unit accepts input signals from sensors and controls operation of the actuator. It is also important to check for conventional problems such as air leaks in the booster or lines, lack of brake fluid, or other problems with the brake system.

It is much more difficult to diagnose a problem that occurs intermittently rather than continuously. Most intermittent problems are caused by poor electrical connections or faulty wiring. In this case, careful checking of suspicious circuits may help prevent the replacement of good parts.

When is the Code Detected?

Circuit of front Left Input ABS solenoid is open or shorted, or control line is open or shorted to power supply or ground.

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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 C1120 Infiniti Code

1. What are the common symptoms of OBDII code C1120 in an Infiniti related to the Front Left Input ABS Solenoid?

The common symptoms include the ABS warning light being illuminated on the dashboard, braking issues, and potential traction control system malfunctions.

2. What are the possible causes of OBDII code C1120 in an Infiniti related to the Front Left Input ABS Solenoid?

Possible causes include a faulty ABS solenoid, damaged wiring or connectors, low brake fluid levels, or issues with the ABS control module.

3. How can I diagnose OBDII code C1120 in an Infiniti related to the Front Left Input ABS Solenoid?

Diagnosis involves using an OBDII scanner to retrieve the specific code, conducting a visual inspection for any visible damage, and testing the ABS solenoid and related components for proper functionality.

4. Can I still drive my Infiniti with OBDII code C1120 related to the Front Left Input ABS Solenoid?

It is not recommended to drive your vehicle with this code present, as it can affect the performance of the ABS system and compromise overall safety.

5. How can I repair OBDII code C1120 in an Infiniti related to the Front Left Input ABS Solenoid?

Repair typically involves replacing the faulty ABS solenoid, repairing any damaged wiring or connectors, ensuring proper brake fluid levels, and clearing the code with an OBDII scanner.

6. Is it possible to reset OBDII code C1120 in an Infiniti related to the Front Left Input ABS Solenoid without repairing the issue?

While you can clear the code temporarily with an OBDII scanner, it is important to address the underlying problem to prevent the code from reappearing and ensure the proper functioning of the ABS system.

7. Are there any preventive maintenance tips to avoid OBDII code C1120 related to the Front Left Input ABS Solenoid in an Infiniti?

Regularly checking and maintaining the brake system, including brake fluid levels, can help prevent issues that may lead to the code. Additionally, driving cautiously can reduce the likelihood of ABS system damage.

8. Can weather conditions or road debris trigger OBDII code C1120 in an Infiniti related to the Front Left Input ABS Solenoid?

Extreme weather conditions or road debris can potentially impact the ABS system and trigger the code. It is important to keep the vehicle well maintained and drive carefully in adverse conditions.

9. How long does it typically take to repair OBDII code C1120 in an Infiniti related to the Front Left Input ABS Solenoid?

The repair time can vary depending on the exact cause of the code and the availability of parts. Generally, it can take a few hours to a day for a professional mechanic to diagnose and repair the issue.

10. Should I attempt to repair OBDII code C1120 related to the Front Left Input ABS Solenoid in an Infiniti myself?

Unless you have experience working on automotive electrical systems and ABS components, it is recommended to have a qualified mechanic diagnose and repair the issue to ensure proper and safe repairs.

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