P1393 – Infiniti DTC

Infiniti DTC P1393 – G Sensor Voltage High

DTC P1393 meaning on Infiniti

DTC P1393 on an Infiniti indicates a fault with the G Sensor Voltage being too high. The G Sensor, also known as the lateral acceleration sensor, measures the vehicle’s lateral acceleration and helps with stability control systems.

Infiniti DTC P1393 symptoms

Symptoms of DTC P1393 on an Infiniti may include:

• Check Engine Light illuminated
• Stability control system warning light may be on
• Vehicle may exhibit erratic handling or stability issues

Infiniti DTC P1393 causes

Common causes of DTC P1393 on an Infiniti include:

• Faulty G Sensor
• Wiring or connector issues in the G Sensor circuit
• Interference from other electrical components

Infiniti DTC P1393 seriousness

DTC P1393 should be addressed promptly as it can affect the vehicle’s stability control system, potentially compromising safety and handling. Ignoring this issue may lead to unpredictable driving behavior.

How to diagnose DTC P1393 on Infiniti

To diagnose DTC P1393 on an Infiniti, follow these steps:

1. Use a diagnostic scanner to retrieve the fault codes
2. Inspect the G Sensor and its wiring for any visible damage
3. Check the voltage output of the G Sensor using a multimeter
4. Perform a visual inspection of the stability control system components

How to fix DTC P1393 on Infiniti

To fix DTC P1393 on an Infiniti, consider the following:

1. Replace the faulty G Sensor if necessary
2. Repair any damaged wiring or connectors in the G Sensor circuit
3. Clear the fault codes using a diagnostic scanner after repairs
4. Test drive the vehicle to ensure the issue has been resolved

How to erase DTC P1393 on Infiniti

To erase DTC P1393 on an Infiniti:

1. Connect a diagnostic scanner to the vehicle’s OBD-II port
2. Select the option to clear fault codes from the scanner menu
3. Follow the on-screen prompts to erase the DTC P1393 code
4. Verify that the code has been successfully cleared by rescanning the system

Recommended tools for Infiniti diagnostics

Explore our expert picks: The Best OBD2 Scanners for 2025

Easy-to-use Multimeter for reliable diagnostics: AstroAI Auto-ranging Multimeter

Some of the links on this page may be affiliate links, which means we may earn a small commission if you make a purchase. This helps us keep our DTC database up to date and provide valuable content for free. We only recommend products that we have tested and believe to be the best in their class.