P1390 Acura Code - G-Sensor Intermittent Voltage Low
Quick Answer
The P1390 Acura code indicates that there is an intermittent low voltage issue with the G-Sensor in the vehicle. Common causes include Faulty G-Sensor component, Wiring harness issues or wiring damage, Corrosion or poor connections in the G-Sensor circuit. 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
- P1390 Acura indicates G-Sensor Intermittent Voltage Low.
- Common causes
- Common causes include Faulty G-Sensor component, Wiring harness issues or wiring damage, Corrosion or poor connections in the G-Sensor circuit.
- 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 P1390 Acura Description
The P1390 Acura code indicates that there is an intermittent low voltage issue with the G-Sensor in the vehicle. The G-Sensor, also known as the gravity sensor or accelerometer, is a crucial component in modern vehicles that helps monitor the vehicle's movement and orientation. It is responsible for detecting changes in acceleration, deceleration, and lateral movement, providing essential data to the vehicle's safety systems such as traction control, stability control, and airbag deployment.
Common Causes of P1390 Acura
- Faulty G-Sensor component.
- Wiring harness issues or wiring damage.
- Corrosion or poor connections in the G-Sensor circuit.
- Malfunctioning control module that communicates with the G-Sensor.
- Impact or physical damage to the G-Sensor.
Symptoms of P1390 Acura
- Illumination of the check engine light on the dashboard.
- Erratic behavior of the traction control system.
- Unusual handling or steering feel while driving.
- Inconsistent performance of stability control system.
- Incorrect deployment or non-deployment of airbags during a collision.
How to Fix P1390 Acura
- Perform a comprehensive diagnostic scan to confirm the P1390 code and identify the specific cause of the issue.
- Inspect the G-Sensor and its wiring harness for any visible damage, corrosion, or loose connections.
- Test the G-Sensor's voltage output to determine if it falls within the manufacturer's specifications.
- Replace the G-Sensor if it is found to be faulty, ensuring to use genuine Acura parts for optimal performance.
- Clear the diagnostic trouble codes, reset the vehicle's systems, and perform a test drive to verify that the issue has been resolved.
Cost to Fix P1390 Acura
The typical repair costs for addressing a P1390 Acura code can vary depending on the specific cause of the issue and the labor rates in your area. In general, replacing a faulty G-Sensor and addressing related wiring or connection issues can cost anywhere from $200 to $500, including parts and labor. It's important to note that diagnostic time and labor rates at auto repair shops can vary, so it's advisable to check with local providers for a more accurate estimate.
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