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C1146 Infiniti Code - Side G Sensor Circuit

Quick Answer

The C1146 Infiniti diagnostic trouble code (DTC) refers to an issue with the Side G Sensor Circuit in Infiniti vehicles. Common causes include Faulty Side G Sensor, Wiring issues in the sensor circuit, Corrosion or damage to sensor connectors. 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
C1146 Infiniti indicates Side G Sensor Circuit.
Common causes
Common causes include Faulty Side G Sensor, Wiring issues in the sensor circuit, Corrosion or damage to sensor connectors.
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 12, 2024
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Code C1146 Infiniti Description

The C1146 Infiniti diagnostic trouble code (DTC) refers to an issue with the Side G Sensor Circuit in Infiniti vehicles. The Side G Sensor is a vital component of the vehicle's advanced safety systems, particularly the airbag system. The sensor is responsible for detecting changes in lateral acceleration, which can indicate a side collision. This information is crucial for the airbag system to deploy effectively in the event of a crash.

OBDII Code C1146 Infiniti - Side G Sensor Circuit
C1146 Infiniti Code - Side G Sensor Circuit

Common Causes of C1146 Infiniti

  1. Faulty Side G Sensor
  2. Wiring issues in the sensor circuit
  3. Corrosion or damage to sensor connectors
  4. Electronic control unit (ECU) malfunctions
  5. Impact or collision that damages the sensor

Symptoms of C1146 Infiniti

  1. Airbag warning light illuminated on the dashboard
  2. Inconsistent or erratic airbag deployment
  3. Vehicle stability control system malfunctions
  4. Unusual noises coming from the sensor area
  5. Vehicle may fail safety inspection due to airbag system fault

How to Fix C1146 Infiniti

  1. Diagnose the issue using a scan tool to retrieve the specific DTC and pinpoint the problem area.
  2. Inspect the wiring, connectors, and sensor for any damage or corrosion. Repair or replace as necessary.
  3. Test the sensor and circuit for proper functionality and continuity.
  4. Clear the DTC and reset the system to see if the issue persists.
  5. If the problem persists, consider replacing the Side G Sensor and recalibrating the system.

Cost to Fix C1146 Infiniti

The cost of repairing a Side G Sensor Circuit issue can vary depending on the extent of the problem and the specific components that need to be replaced. On average, the cost of parts for this type of repair can range from $150 to $500, while labor costs can vary between $100 and $300. Therefore, the total repair cost for addressing a C1146 Infiniti code may fall between $250 and $800. It's essential to consult with a professional mechanic or auto repair shop to get an accurate estimate based on the specific circumstances of your vehicle. Labor rates and diagnosis fees can also impact the final cost, so it's advisable to inquire about these factors before proceeding with the repair.

When is the Code Detected?

Side G sensor is malfunctioning, or circuit of side G sensor is open or shorted.

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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 C1146 Infiniti Code

1. What are the common symptoms of OBDII code C1146 in an Infiniti related to the Side G Sensor Circuit?

- Common symptoms include the illumination of the ABS warning light, traction control light, or stability control light on the dashboard.

2. What does the OBDII code C1146 on an Infiniti indicate about the Side G Sensor Circuit?

- This code indicates a malfunction in the Side G Sensor Circuit, which is responsible for measuring lateral acceleration and helping the vehicle's stability control system.

3. What are some possible causes of OBDII code C1146 in an Infiniti?

- The code C1146 in an Infiniti can be triggered by issues such as a faulty side G sensor, damaged wiring or connectors, or a malfunction in the stability control system.

4. How can I diagnose the cause of OBDII code C1146 on my Infiniti related to the Side G Sensor Circuit?

- Diagnosing the cause of this code typically involves using a diagnostic scanner to read the specific fault codes, checking the side G sensor for proper function, and inspecting the wiring and connectors for damage.

5. Can I still drive my Infiniti if OBDII code C1146 related to the Side G Sensor Circuit is present?

- It is not recommended to drive the vehicle with this code illuminated, as it may affect the performance of the stability control system and compromise safety.

6. How can I repair OBDII code C1146 in my Infiniti related to the Side G Sensor Circuit?

- Repairing this code may involve replacing the side G sensor, repairing or replacing damaged wiring or connectors, or resetting the stability control system through proper diagnostics.

7. Are there any DIY tips for troubleshooting OBDII code C1146 in an Infiniti?

- DIY tips include checking the side G sensor for physical damage, inspecting the wiring for any visible issues, and ensuring all connections are secure before seeking professional help if needed.

8. Can weather conditions impact the occurrence of OBDII code C1146 in an Infiniti?

- Extreme weather conditions, such as heavy rain or snow, can potentially affect the side G sensor's performance and trigger the code. It's essential to keep the sensor and its connections protected.

9. How long does it typically take to repair OBDII code C1146 related to the Side G Sensor Circuit in an Infiniti?

- The repair time for this code can vary depending on the exact cause of the issue. It may take anywhere from a few hours to a full day, especially if diagnostic work is required.

10. Is it necessary to reset the OBDII system after repairing code C1146 in an Infiniti?

- Yes, it is recommended to reset the OBDII system after repairing code C1146 to clear the fault codes and ensure proper functionality of the vehicle's systems.

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