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C1125 Nissan Code - Rear Left Output ABS Solenoid

Quick Answer

The C1125 diagnostic trouble code (DTC) specifically refers to the Rear Left Output ABS Solenoid in a Nissan vehicle. Common causes include Faulty ABS solenoid valve, Wiring issues or electrical connection problems, Corrosion or debris affecting solenoid 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
C1125 Nissan indicates Rear Left Output ABS Solenoid.
Common causes
Common causes include Faulty ABS solenoid valve, Wiring issues or electrical connection problems, Corrosion or debris affecting solenoid 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 10, 2024
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Code C1125 Nissan Description

The C1125 diagnostic trouble code (DTC) specifically refers to the Rear Left Output ABS Solenoid in a Nissan vehicle. This code indicates an issue with the anti-lock braking system (ABS) solenoid located on the rear left side of the vehicle. The ABS solenoid is responsible for regulating the brake fluid pressure to prevent wheel lock-up during braking, thus improving overall vehicle stability and control.

OBDII Code C1125 Nissan - Rear Left Output ABS Solenoid
C1125 Nissan Code - Rear Left Output ABS Solenoid

Common Causes of C1125 Nissan

  1. Faulty ABS solenoid valve
  2. Wiring issues or electrical connection problems
  3. Corrosion or debris affecting solenoid operation
  4. ABS module failure
  5. Brake fluid contamination or air in the brake system

Symptoms of C1125 Nissan

  1. Illuminated ABS warning light on the dashboard
  2. Increased stopping distances during braking
  3. Pulsating brake pedal when applying brakes
  4. ABS system engaging unnecessarily or not engaging at all
  5. Loss of traction control functionality

How to Fix C1125 Nissan

  1. Diagnose the ABS system using a professional diagnostic scan tool to confirm the specific issue with the Rear Left Output ABS Solenoid.
  2. Inspect the wiring harness and connections for any damage or corrosion. Repair or replace as necessary.
  3. Remove the faulty ABS solenoid valve and replace it with a new one.
  4. Bleed the brake system to remove any air or contaminants that may have entered during the repair process.
  5. Clear the DTCs from the ABS module and perform a test drive to ensure proper ABS system functionality.

Cost to Fix C1125 Nissan

The cost of repairing a Rear Left Output ABS Solenoid issue can vary depending on the extent of the damage, the cost of parts, and labor rates in your area. On average, the cost of replacing an ABS solenoid valve ranges from $200 to $400, including parts and labor. Additional costs may apply if other components need to be replaced or if further diagnostics are required. It's recommended to consult with a professional mechanic or auto repair shop to get an accurate estimate based on your specific vehicle and location. Keep in mind that labor rates can range from $80 to $150 per hour, so the total cost may vary accordingly.

What does this mean?

Tech Notes for C1125 Nissan

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 rear Left Output 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 C1125 Nissan Code

1. What does the OBDII code C1125 mean for a Nissan?

C1125 indicates an issue with the Rear Left Output ABS Solenoid, which is part of the anti-lock braking system (ABS) responsible for controlling brake fluid pressure to the rear left wheel.

2. What are the common symptoms of code C1125 in a Nissan?

Symptoms may include the ABS warning light illuminated, reduced braking performance, or the ABS system failing to function properly.

3. What causes the C1125 code to appear on a Nissan?

Common causes include a faulty rear left ABS solenoid, damaged wiring or connectors, a malfunctioning ABS control module, or hydraulic pressure issues in the ABS system.

4. Can I still drive my Nissan with the C1125 code?

While the vehicle may still be drivable, the ABS system may not function as intended, increasing the risk of losing control during hard braking or slippery conditions.

5. How do I diagnose the C1125 code on a Nissan?

Start by inspecting the rear left ABS solenoid, its wiring, and connectors for damage or corrosion. Use a scan tool to check for additional ABS-related codes and perform tests on the ABS solenoid and control module.

6. How do you fix the Nissan C1125 code?

Repairs may involve replacing the faulty rear left ABS solenoid, repairing or replacing damaged wiring or connectors, or reprogramming or replacing the ABS control module if necessary.

7. How much does it cost to repair the C1125 code on a Nissan?

Repair costs vary depending on the root cause but may range from $150 to $500, including parts and labor.

8. Can a low brake fluid level cause the C1125 code to trigger?

Low brake fluid is unlikely to directly cause the C1125 code, but it can lead to ABS performance issues, so checking and maintaining proper fluid levels is important.

9. Will resetting the ABS system clear the C1125 code?

Resetting the ABS system may temporarily clear the code, but if the underlying issue is not resolved, the code will likely return.

10. What tools are needed to troubleshoot and repair the C1125 code?

You will need an OBDII scan tool capable of reading ABS codes, a multimeter for testing wiring and solenoids, and possibly a service manual for your specific Nissan model for guidance.

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