AutoCodes – Subaru – C0118 Subaru

C0118 Subaru Code - Faulty G Sensor Output Voltage

Quick Answer

The Anti-Lock Brake System (ABS) Module monitors the G Sensor. Common causes include Faulty G Sensor, G Sensor harness is open or shorted, G 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
C0118 Subaru indicates Faulty G Sensor Output Voltage.
Common causes
Common causes include Faulty G Sensor, G Sensor harness is open or shorted, G 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.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 4,677
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on May 06, 2020
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Code C0118 Subaru Description

The Anti-Lock Brake System (ABS) Module monitors the G Sensor. The ABS Module sets the OBDII code when the G Sensor is not to factory specifications.
OBDII Code C0118 Subaru - Faulty G Sensor Output Voltage - AutoCodes.com
C0118 Subaru Code - Faulty G Sensor Output Voltage

What are the Possible Causes of the DTC C0118 Subaru?

  • Faulty G Sensor
  • G Sensor harness is open or shorted
  • G Sensor circuit poor electrical connection

How to Fix the DTC C0118 Subaru?

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 C0118 Subaru 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.

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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 C0118 Subaru Code

1. What are the common symptoms of OBDII code C0118 in a Subaru related to a faulty G sensor output voltage?

The common symptoms of OBDII code C0118 in a Subaru include issues with the vehicle's stability control system, ABS system, and potentially the transmission shifting erratically.

2. What are the possible causes of OBDII code C0118 indicating a faulty G sensor output voltage in a Subaru?

The possible causes of OBDII code C0118 in a Subaru are a malfunctioning G sensor, damaged wiring or connectors in the G sensor circuit, or a problem with the G sensor calibration.

3. How can I diagnose the issue related to OBDII code C0118 in my Subaru if I suspect a faulty G sensor output voltage?

To diagnose the issue related to OBDII code C0118 in your Subaru, you can use a scan tool to read the code, inspect the G sensor and its wiring for any visible damage, and perform a calibration check on the G sensor.

4. Can I continue driving my Subaru with OBDII code C0118 indicating a faulty G sensor output voltage?

It is not recommended to continue driving your Subaru with OBDII code C0118 present, as it can affect the vehicle's stability control system and ABS functionality, potentially compromising safety.

5. How do I repair OBDII code C0118 in a Subaru due to a faulty G sensor output voltage?

To repair OBDII code C0118 in a Subaru, you may need to replace the faulty G sensor, repair any damaged wiring or connectors in the G sensor circuit, and recalibrate the G sensor to ensure proper functionality.

6. Can a DIY enthusiast fix OBDII code C0118 related to a faulty G sensor output voltage in a Subaru?

While some DIY enthusiasts may be able to diagnose and repair OBDII code C0118 in a Subaru, it is recommended to consult a professional mechanic for accurate diagnosis and proper repair to ensure safety and effectiveness.

7. Are there any specific maintenance tips to prevent OBDII code C0118 from occurring in a Subaru?

Regularly inspecting the G sensor and its wiring for any signs of wear or damage, following the manufacturer's maintenance schedule, and addressing any stability control or ABS issues promptly can help prevent OBDII code C0118 in a Subaru.

8. How much should I expect to pay for repairing OBDII code C0118 related to a faulty G sensor output voltage in a Subaru?

The cost of repairing OBDII code C0118 in a Subaru can vary depending on the extent of the issue, the parts needed for replacement, and the labor costs. It is advisable to obtain quotes from different mechanics for an accurate estimate.

9. Is it possible for OBDII code C0118 in a Subaru to reoccur after repair due to a faulty G sensor output voltage?

If the root cause of OBDII code C0118, such as a malfunctioning G sensor or wiring issue, is not properly addressed during repair, there is a possibility for the code to reoccur. Ensure thorough diagnosis and repair to prevent this from happening.

10. Can OBDII code C0118 indicating a faulty G sensor output voltage in a Subaru cause other issues in the vehicle?

Yes, OBDII code C0118 in a Subaru can cause issues with the vehicle's stability control system, ABS system, and transmission operation, potentially affecting overall drivability and safety. Addressing the code promptly is crucial to prevent further complications.

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