P1393 Chevrolet Code - Wheel Speed Sensor 1 G-Sensor Circuit High Voltage
Quick Answer
The P1393 Chevrolet code indicates a problem with the Wheel Speed Sensor 1 G-Sensor Circuit High Voltage in the vehicle. Common causes include Faulty wheel speed sensor, Damaged wiring or connectors in the sensor circuit, Corrosion or debris affecting the sensor's 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
- P1393 Chevrolet indicates Wheel Speed Sensor 1 G-Sensor Circuit High Voltage.
- Common causes
- Common causes include Faulty wheel speed sensor, Damaged wiring or connectors in the sensor circuit, Corrosion or debris affecting the sensor's 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.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
Code P1393 Chevrolet Description
The P1393 Chevrolet code indicates a problem with the Wheel Speed Sensor 1 G-Sensor Circuit High Voltage in the vehicle. The wheel speed sensor is an essential component of the anti-lock braking system (ABS) and the traction control system. It is responsible for monitoring the speed of each wheel and sending this information to the vehicle's computer system. The G-sensor, or lateral acceleration sensor, measures the vehicle's lateral acceleration, which is crucial for stability control systems.
Common Causes of P1393 Chevrolet
- Faulty wheel speed sensor.
- Damaged wiring or connectors in the sensor circuit.
- Corrosion or debris affecting the sensor's performance.
- Issues with the vehicle's electronic control module (ECM).
- Physical damage to the sensor or its mounting location.
Symptoms of P1393 Chevrolet
- Illuminated ABS or traction control warning light on the dashboard.
- ABS system malfunction, such as pulsating brakes or loss of traction control.
- Inaccurate speedometer readings.
- Unusual noises coming from the wheels while driving.
- Poor handling or stability when driving, especially during braking or cornering.
How to Fix P1393 Chevrolet
- Begin by diagnosing the specific cause of the high voltage in the Wheel Speed Sensor 1 G-Sensor Circuit using a diagnostic scanner.
- Inspect the wheel speed sensor and its wiring for any visible damage, corrosion, or loose connections. Replace or repair any damaged components.
- Clear the diagnostic trouble codes from the vehicle's computer and reset the system.
- Test drive the vehicle to ensure that the issue has been resolved and that the ABS and traction control systems are functioning correctly.
- If the problem persists, consult with a professional mechanic or dealership for further troubleshooting and repair.
Cost to Fix P1393 Chevrolet
The typical repair costs for addressing the P1393 Chevrolet code can vary depending on the specific cause of the issue and the required repairs. In general, the cost of replacing a wheel speed sensor or repairing wiring issues can range from $100 to $300 for parts and labor. However, additional costs may apply if more extensive repairs or diagnostics are needed. It is recommended to consult with a trusted auto repair shop for a precise estimate based on the vehicle's make and model, as well as local labor rates.
Need more information about the P1393 Chevrolet code?
Need more information on how to fix the P1393 Chevrolet code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the P1393 Chevrolet code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about P1393 Chevrolet Code
No Frequently Asked Questions about P1393 Chevrolet Code found.
Discuss the causes and fixes for P1393 Chevrolet OBDII Code
Code P1393 Chevrolet comments
No comments found for this page.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.