P1391 Acura Code - G-Sensor Performance Problem
Quick Answer
The P1391 code for Acura vehicles indicates a G-sensor performance problem. Common causes include Faulty G-sensor, Damaged wiring or connectors leading to the G-sensor, Issues with the stability control module. 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
- P1391 Acura indicates G-Sensor Performance Problem.
- Common causes
- Common causes include Faulty G-sensor, Damaged wiring or connectors leading to the G-sensor, Issues with the stability control module.
- 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 P1391 Acura Description
The P1391 code for Acura vehicles indicates a G-sensor performance problem. The G-sensor, also known as the lateral acceleration sensor, is responsible for measuring the vehicle's lateral acceleration during cornering and sudden maneuvers. This data is crucial for the vehicle's stability control system to adjust braking and throttle to maintain control during dynamic driving situations.
Common Causes of P1391 Acura
- Faulty G-sensor
- Damaged wiring or connectors leading to the G-sensor
- Issues with the stability control module
- Electrical faults in the stability control system
- Corrosion or damage to the G-sensor mounting location
Symptoms of P1391 Acura
- Illuminated stability control warning light on the dashboard
- Loss of stability control during cornering or sudden maneuvers
- Erratic behavior of the stability control system
- Rough or unstable ride quality
- Difficulty maintaining control during aggressive driving
How to Fix P1391 Acura
- Diagnose the G-sensor performance problem using a scan tool to retrieve the fault codes and data related to the stability control system.
- Inspect the wiring and connectors leading to the G-sensor for any damage or corrosion. Repair or replace as needed.
- Test the G-sensor for proper operation and replace if found to be faulty.
- Check the stability control module for any faults or malfunctions. Repair or replace as necessary.
- Clear the fault codes and perform a test drive to ensure the stability control system is functioning correctly.
Cost to Fix P1391 Acura
The cost of repairing a G-sensor performance problem in an Acura vehicle can vary depending on the specific model, location, and the extent of the issue. On average, the parts for this repair can range from $100 to $300, while labor costs can range from $100 to $300 or more. Overall, the total cost of the repair may fall between $200 and $600. It's important to note that diagnostic time and labor rates can vary, so it's recommended to consult with a local auto repair shop for a more accurate estimate based on your specific situation.
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