P1391 Buick Code - Wheel Speed Sensor 1 G-Sensor Circuit Performance
Quick Answer
The P1391 Buick code indicates an issue with the Wheel Speed Sensor 1 G-Sensor Circuit Performance in the vehicle. Common causes include Faulty wheel speed sensor, Damaged wiring or connectors, Corrosion or debris affecting sensor performance. 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 Buick indicates Wheel Speed Sensor 1 G-Sensor Circuit Performance.
- Common causes
- Common causes include Faulty wheel speed sensor, Damaged wiring or connectors, Corrosion or debris affecting sensor performance.
- 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 Buick Description
The P1391 Buick code indicates an issue with the Wheel Speed Sensor 1 G-Sensor Circuit Performance in the vehicle. This sensor is responsible for monitoring the speed of the wheels and providing crucial information to the vehicle's electronic control module (ECM) for various functions such as traction control, anti-lock braking system (ABS), and stability control. When this sensor malfunctions or fails to perform as expected, it can lead to a range of performance issues and potentially compromise the safety and handling of the vehicle.
Common Causes of P1391 Buick
- Faulty wheel speed sensor
- Damaged wiring or connectors
- Corrosion or debris affecting sensor performance
- ECM malfunction
- Poor electrical connection
Symptoms of P1391 Buick
- ABS light illuminated on the dashboard
- Traction control light activated
- Erratic braking behavior
- Loss of stability control
- Decreased fuel efficiency
How to Fix P1391 Buick
- Diagnose the issue by using a diagnostic scan tool to identify the specific problem with the Wheel Speed Sensor 1 G-Sensor Circuit.
- Inspect the sensor, wiring, and connectors for any damage or corrosion. Replace any faulty components.
- Clear the error code and reset the ECM to see if the issue persists.
- Test drive the vehicle to ensure that the sensor is now functioning correctly and that the symptoms have been resolved.
- If the problem persists, consider seeking professional assistance to further diagnose and repair the issue.
Cost to Fix P1391 Buick
The typical repair costs for addressing the P1391 Buick code can vary depending on the extent of the damage and the specific components that need to be replaced. Generally, the cost of replacing a wheel speed sensor can range from $100 to $300, with additional labor costs varying between $80 and $150 per hour. It's important to consider that diagnostic time and labor rates can fluctuate based on location, vehicle make and model, and the type of engine. It's advisable to consult with local auto repair shops to obtain a more accurate estimate for this repair.
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