AutoCodes – Infiniti – P159A Infiniti

P159A Infiniti Code - G Sensor Circuit

Quick Answer

The G Sensor has a semiconductor acceleration sensor and detects longitudinal G and tilt angle of the vehicle based on gravitational acceleration. 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: P159A Infiniti indicates G Sensor Circuit.
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.

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Code Popularity 1,441

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 Jan 02, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P159A Infiniti Description

The G Sensor has a semiconductor acceleration sensor and detects longitudinal G and tilt angle of the vehicle based on gravitational acceleration.
In addition, the G sensor converts a detected tilt angle into an electric signal and transmits it to Engine Control Module (ECM).

OBDII Code P159A Infiniti - G Sensor Circuit - AutoCodes.com — P159A Infiniti Code - G Sensor Circuit

What does this mean?

What are the Possible Causes of the DTC P159A Infiniti?

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

How to Fix the DTC P159A Infiniti?

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 P159A Infiniti 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 P159A Infiniti code?

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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 P159A Infiniti Code

1. What are common symptoms of an OBDII code P159A in an Infiniti related to the G Sensor Circuit?

- Common symptoms include issues with the vehicle's stability control system, traction control system, and potentially the vehicle's overall handling.

2. What are some possible causes of the OBDII code P159A in an Infiniti?

- Possible causes include a faulty G sensor, damaged wiring or connectors in the G sensor circuit, or issues with the vehicle's electronic control module.

3. How can I diagnose the OBDII code P159A related to the G Sensor Circuit in my Infiniti?

- A thorough diagnostic process involves inspecting the G sensor, checking the wiring and connectors for damage, and using a scan tool to retrieve additional fault codes and data.

4. Can I continue driving my Infiniti with the OBDII code P159A related to the G Sensor Circuit?

- It is not recommended to continue driving the vehicle with this fault code present, as it can affect the vehicle's stability and handling.

5. How can I repair the OBDII code P159A in my Infiniti G Sensor Circuit?

- Repair typically involves replacing the faulty G sensor, repairing or replacing damaged wiring or connectors, and clearing the fault code with a scan tool.

6. Is it possible to reset the OBDII code P159A related to the G Sensor Circuit in my Infiniti without fixing the underlying issue?

- While you can clear the fault code temporarily with a scan tool, it is crucial to address the root cause of the problem to prevent it from reoccurring.

7. Are there any DIY tips for troubleshooting the OBDII code P159A in an Infiniti's G Sensor Circuit?

- DIY tips include visually inspecting the wiring and connectors for damage, ensuring proper connection of the G sensor, and researching common issues specific to your Infiniti model.

8. How long does it typically take to repair the OBDII code P159A in an Infiniti related to the G Sensor Circuit?

- The repair time can vary depending on the exact cause of the issue, but it may take a few hours to a full day for a professional technician to diagnose and fix the problem.

9. Will the OBDII code P159A related to the G Sensor Circuit cause my Infiniti to fail an emissions test?

- This fault code may not directly impact emissions, but it is still important to address for the safety and proper functioning of the vehicle.

10. Can a dealership or auto repair shop help me with the OBDII code P159A in my Infiniti G Sensor Circuit?

- Yes, a dealership or reputable auto repair shop with experience working on Infiniti vehicles will have the tools and expertise to diagnose and repair this specific fault code.