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C0073 Subaru Code - Abnormal Lateral G Sensor Output

Quick Answer

The C0073 code for Subaru vehicles indicates an abnormal lateral G sensor output. Common causes include Faulty lateral G sensor, Wiring or connection issues between the sensor and the vehicle's electronic control module, Corrosion or damage to sensor connectors or wiring. 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
C0073 Subaru indicates Abnormal Lateral G Sensor Output.
Common causes
Common causes include Faulty lateral G sensor, Wiring or connection issues between the sensor and the vehicle's electronic control module, Corrosion or damage to sensor connectors or wiring.
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 C0073 Subaru Description

The C0073 code for Subaru vehicles indicates an abnormal lateral G sensor output. The lateral G sensor, also known as the accelerometer, is a component that measures the vehicle's lateral acceleration, which is the force acting on the vehicle from side to side during cornering or swerving. When the sensor detects abnormal readings or output, it can affect the vehicle's stability control system, traction control system, and potentially other safety features that rely on accurate lateral acceleration data. This issue can compromise the vehicle's handling and safety, as it may not be able to properly adjust for lateral forces during driving maneuvers.

OBDII Code C0073 Subaru - Abnormal Lateral G Sensor Output
C0073 Subaru Code - Abnormal Lateral G Sensor Output

Common Causes of C0073 Subaru

  1. Faulty lateral G sensor.
  2. Wiring or connection issues between the sensor and the vehicle's electronic control module.
  3. Corrosion or damage to sensor connectors or wiring.
  4. Electronic control module (ECM) software issues.
  5. Physical damage to the sensor due to impact or environmental factors.

Symptoms of C0073 Subaru

  1. Illuminated stability control or traction control warning lights on the dashboard.
  2. Increased body roll or instability during cornering.
  3. Loss of traction or slipping during turns.
  4. Unexpected activation of stability or traction control systems.
  5. Harsh or erratic shifting behavior in vehicles with automatic transmissions.

How to Fix C0073 Subaru

  1. Diagnose the issue by connecting a scan tool to the vehicle's OBD-II port to retrieve the specific error codes and sensor data.
  2. Inspect the lateral G sensor and its wiring for any visible damage or corrosion.
  3. Test the sensor's output using a multimeter or specialized diagnostic equipment to determine if it is functioning properly.
  4. Replace the faulty lateral G sensor if it is determined to be the cause of the abnormal output.
  5. Clear the error codes from the vehicle's ECM and perform a test drive to ensure the issue has been resolved.

Cost to Fix C0073 Subaru

The cost of repairing an abnormal lateral G sensor output in a Subaru vehicle can vary depending on the specific model, the extent of the issue, and the labor rates in your area. In general, the cost of replacing a lateral G sensor can range from $150 to $300 for the part alone. Labor costs can add an additional $100 to $200, depending on how complex the repair process is and how much time is required for diagnostics and installation. Therefore, the total cost of addressing this issue could be anywhere from $250 to $500 or more. It's recommended to consult with a professional mechanic or service center for a more accurate cost estimate based on your vehicle's specific needs.

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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 C0073 Subaru Code

1. What are common symptoms of OBDII code C0073 in a Subaru related to abnormal lateral G sensor output?

Symptoms may include the stability control system warning light illuminating, loss of traction control functionality, and potential issues with the vehicle's handling.

2. What could cause the OBDII code C0073 indicating abnormal lateral G sensor output in a Subaru?

Possible causes of this code include a malfunctioning lateral G sensor, damaged wiring or connections to the sensor, or issues with the stability control module.

3. How can I diagnose the cause of OBDII code C0073 in my Subaru?

Diagnosis typically involves using a scan tool to retrieve the code, inspecting the lateral G sensor and its connections for damage or corrosion, and testing the sensor's output using a multimeter.

4. Are there any DIY repair tips for addressing OBDII code C0073 in a Subaru?

DIY repair options may include checking and cleaning the sensor connections, ensuring proper sensor mounting and alignment, and resetting the system by disconnecting the car battery for a few minutes.

5. Can driving with OBDII code C0073 in a Subaru be dangerous?

Continuing to drive with this code present can pose a safety risk, especially in adverse road conditions where traction control is crucial. It is recommended to address the issue promptly.

6. Is it necessary to visit a dealership or mechanic for OBDII code C0073 repair in a Subaru?

While professional diagnosis and repair are recommended for complex issues, some simple fixes like sensor cleaning or reseating connections can be done by DIY enthusiasts with the right tools and knowledge.

7. How much does it typically cost to repair OBDII code C0073 in a Subaru?

The cost of repair can vary depending on the cause of the issue. Simple fixes like sensor cleaning may be inexpensive, while sensor replacement or module repair could be more costly.

8. Can resetting the OBDII system clear the C0073 code in a Subaru?

Resetting the system may temporarily clear the code, but if the underlying issue causing abnormal lateral G sensor output is not addressed, the code is likely to reappear.

9. Will OBDII code C0073 affect the overall performance of my Subaru?

While the code itself may not directly impact engine performance, it can affect the stability and traction control systems, potentially compromising the vehicle's handling and safety features.

10. How urgent is it to address OBDII code C0073 in a Subaru?

Addressing this code promptly is recommended to ensure the proper functioning of safety systems like traction control. Ignoring the issue could lead to unsafe driving conditions.

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