AutoCodes – Acura – C1873 Acura

C1873 Acura Code - Steering Angle Sensor Malfunction

Quick Answer

The Anti-Lock Brake System (ABS) Module monitors the Steering Angle Sensor. Common causes include Faulty Steering Angle Sensor, Steering Angle Sensor harness is open or shorted, Steering Angle Sensor circuit poor electrical connection. 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 Acura indicates Steering Angle Sensor Malfunction.
Common causes: Common causes include Faulty Steering Angle Sensor, Steering Angle Sensor harness is open or shorted, Steering Angle Sensor circuit poor electrical connection.
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.

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Code Popularity 1,573

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Dec 03, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code C1873 Acura Description

The Anti-Lock Brake System (ABS) Module monitors the Steering Angle Sensor. The ABS Module sets the OBDII code when the Steering Angle Sensor is not to factory specifications.

OBDII Code C1873 Acura - Steering Angle Sensor Malfunction - AutoCodes.com — C1873 Acura Code - Steering Angle Sensor Malfunction

What does this mean?

What are the Possible Causes of the DTC C1873 Acura?

Faulty Steering Angle Sensor
Steering Angle Sensor harness is open or shorted
Steering Angle Sensor circuit poor electrical connection

How to Fix the DTC C1873 Acura?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the C1873 Acura code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

Need more information about the C1873 Acura code?

Need more information on how to fix the C1873 Acura code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the C1873 Acura code diagnosed by a professional: Find a repair shop in your area

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 Acura Code

1. What does the OBDII code C1873 mean on an Acura?

C1873 indicates a malfunction in the steering angle sensor, which monitors the position and movement of the steering wheel.

2. What are the common symptoms of code C1873 in an Acura?

Symptoms may include the traction control or stability control light illuminating, difficulty with steering, or erratic behavior of electronic stability features.

3. What causes the C1873 code to appear?

Common causes include a faulty steering angle sensor, damaged wiring or connectors, misalignment of the steering wheel, or electronic control module issues.

4. Can I still drive my Acura with a C1873 code?

While the vehicle may still operate, driving with this code can impair stability control and traction systems, increasing the risk of accidents in slippery or emergency conditions.

5. How is the C1873 code diagnosed?

A technician will use a scan tool to read the code, inspect the steering angle sensor, check the wiring and connections, and ensure the steering wheel is properly aligned.

6. How do you fix the C1873 code on an Acura?

Repairs may include replacing the steering angle sensor, repairing damaged wiring, recalibrating the sensor, or updating the vehicleâ€™s software.

7. What tools are needed to recalibrate a steering angle sensor?

Recalibration typically requires a professional scan tool with software capable of resetting and aligning the steering angle sensor.

8. How much does it cost to fix the C1873 code on an Acura?

The repair cost can range from $150 to $500, depending on whether the sensor needs replacement or just recalibration.

9. Can a dead battery cause the C1873 code?

Yes, a dead or weak battery can sometimes cause communication errors, which may trigger the C1873 code.

10. Is the C1873 code covered under warranty?

It depends on the age and mileage of your Acura and the specific warranty coverage, but this issue may be covered under certain powertrain or electronic warranties.