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Engine-Codes – Honda – C1873 Honda

C1873 Honda Code - Steering Angle Sensor Malfunction

Quick Answer

The C1873 Honda code indicates a malfunction with the steering angle sensor in the vehicle. Common causes include Electrical issues, such as damaged wiring or connectors, Sensor calibration error, Physical damage to the sensor. 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
C1873 Honda indicates Steering Angle Sensor Malfunction.
Common causes
Common causes include Electrical issues, such as damaged wiring or connectors, Sensor calibration error, Physical damage to the sensor.
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 C1873 Honda Description

The C1873 Honda code indicates a malfunction with the steering angle sensor in the vehicle. The steering angle sensor is a critical component of the vehicle's stability control system, as it provides information about the steering wheel position and angle to the vehicle's electronic control unit (ECU). This information is essential for the ECU to adjust various systems, such as the stability control system, traction control system, and anti-lock brakes, to ensure the vehicle remains stable and safe on the road.

OBDII Code C1873 Honda - Steering Angle Sensor Malfunction
C1873 Honda Code - Steering Angle Sensor Malfunction

Common Causes of C1873 Honda

  1. Electrical issues, such as damaged wiring or connectors.
  2. Sensor calibration error.
  3. Physical damage to the sensor.
  4. Corrosion or contamination affecting sensor performance.
  5. Software issues with the ECU.

Symptoms of C1873 Honda

  1. Dashboard warning light for stability control system or ABS system is illuminated.
  2. Steering wheel feels loose or unresponsive.
  3. Vehicle pulls to one side while driving.
  4. Unusual noises or vibrations when steering.
  5. Traction control system engages unexpectedly.

How to Fix C1873 Honda

  1. Diagnose the issue by connecting a diagnostic scanner to the vehicle's OBD-II port to retrieve the specific trouble code and confirm the steering angle sensor malfunction.
  2. Inspect the steering angle sensor for any physical damage or contamination. Clean or replace the sensor if necessary.
  3. Check the wiring and connectors for any signs of damage or corrosion. Repair or replace any faulty components.
  4. Calibrate the steering angle sensor using a professional diagnostic tool to ensure accurate readings.
  5. Clear the trouble code from the ECU and perform a test drive to verify that the issue has been resolved.

Cost to Fix C1873 Honda

The typical repair costs for a steering angle sensor malfunction can vary depending on the extent of the issue and the specific components that require repair or replacement. In general, the cost of replacing a steering angle sensor can range from $200 to $500, including parts and labor. Additional costs may apply if there are other related issues that need to be addressed. It is advisable to consult with a trusted auto repair shop for a more precise estimate based on the specific make and model of the vehicle. Keep in mind that labor rates can vary between different shops and locations.

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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 C1873 Honda Code

1. What are the common symptoms of OBDII code C1873 in a Honda related to Steering Angle Sensor Malfunction?

The common symptoms include the traction control light illuminating on the dashboard, the vehicle stability control system not functioning properly, and potential issues with the steering response.

2. What are the possible causes of OBDII code C1873 in a Honda indicating Steering Angle Sensor Malfunction?

The code C1873 typically indicates a fault with the steering angle sensor itself, a wiring issue in the sensor circuit, or a problem with the electronic control unit (ECU) that manages the sensor data.

3. How can I diagnose the Steering Angle Sensor Malfunction in a Honda when OBDII code C1873 is triggered?

Diagnosing the issue involves conducting a visual inspection of the sensor and its wiring, testing the sensor's output with a multimeter, and checking for any stored trouble codes in other vehicle systems.

4. Is it safe to continue driving my Honda when OBDII code C1873 for Steering Angle Sensor Malfunction is present?

It is not recommended to drive your Honda with an active C1873 code, as it can affect the vehicle's stability control system and potentially compromise your safety on the road.

5. What are some repair tips for addressing OBDII code C1873 related to Steering Angle Sensor Malfunction in a Honda?

Repairing the issue may involve replacing the faulty steering angle sensor, repairing any damaged wiring in the sensor circuit, or reprogramming the ECU to correct the sensor data.

6. Can I reset the OBDII code C1873 for Steering Angle Sensor Malfunction in my Honda without addressing the underlying issue?

While you can clear the code with an OBDII 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 vehicle's stability control system.

7. How much does it typically cost to repair OBDII code C1873 Steering Angle Sensor Malfunction in a Honda?

The cost of repair can vary depending on the specific cause of the issue, but it may range from a few hundred dollars for sensor replacement to more significant costs if the ECU needs reprogramming or if extensive wiring repairs are necessary.

8. Can a DIY enthusiast fix OBDII code C1873 related to Steering Angle Sensor Malfunction in a Honda?

While some basic diagnostics and sensor replacement tasks can be done by DIY enthusiasts, addressing more complex issues like ECU reprogramming or wiring repairs may require professional expertise.

9. Will OBDII code C1873 for Steering Angle Sensor Malfunction cause my Honda to fail an emissions test?

The C1873 code itself is not related to emissions control, so it should not cause your Honda to fail an emissions test. However, it is still essential to address the issue promptly for overall vehicle safety and performance.

10. How often does OBDII code C1873 related to Steering Angle Sensor Malfunction occur in Honda vehicles?

The occurrence of the C1873 code can vary among Honda models and their driving conditions, but it is not an extremely common issue compared to other OBDII codes related to engine or transmission problems.

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