P1394 GMC Code - Wheel Speed Sensor 1 G-Sensor Circuit Intermittent
Quick Answer
The P1394 GMC code indicates a problem with the Wheel Speed Sensor 1 G-Sensor Circuit being intermittent. Common causes include Damaged or corroded wheel speed sensor wiring, Faulty wheel speed sensor, Loose or corroded electrical connections. 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
- P1394 GMC indicates Wheel Speed Sensor 1 G-Sensor Circuit Intermittent.
- Common causes
- Common causes include Damaged or corroded wheel speed sensor wiring, Faulty wheel speed sensor, Loose or corroded electrical connections.
- 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 P1394 GMC Description
The P1394 GMC code indicates a problem with the Wheel Speed Sensor 1 G-Sensor Circuit being intermittent. The wheel speed sensor is a vital component in the vehicle's Anti-lock Braking System (ABS) and Electronic Stability Control (ESC) system. It is responsible for measuring the rotational speed of the wheels and relaying this information to the vehicle's computer system. The G-Sensor, on the other hand, is responsible for detecting changes in the vehicle's acceleration and deceleration.
Common Causes of P1394 GMC
- Damaged or corroded wheel speed sensor wiring.
- Faulty wheel speed sensor.
- Loose or corroded electrical connections.
- Malfunctioning G-Sensor.
- Electronic control module (ECM) communication issues.
Symptoms of P1394 GMC
- ABS warning light illuminated on the dashboard.
- ESC system malfunction warning light activated.
- Unusual or erratic braking behavior, such as pulsating brakes.
- Traction control system engaging unexpectedly.
- Difficulty maintaining control of the vehicle in slippery conditions.
How to Fix P1394 GMC
- Diagnose the issue using a diagnostic scanner to pinpoint the exact cause of the problem.
- Inspect the wheel speed sensor wiring for damage or corrosion and repair or replace as needed.
- Test the wheel speed sensor and G-Sensor for proper functionality and replace if faulty.
- Check and tighten any loose electrical connections.
- Clear the fault codes and test drive the vehicle to ensure the issue has been resolved.
Cost to Fix P1394 GMC
The cost of repairing a Wheel Speed Sensor 1 G-Sensor Circuit Intermittent issue can vary depending on the extent of the problem and the labor rates in your area. On average, the parts for this repair can range from $100 to $300, while the labor costs can be between $100 and $200. Overall, you can expect to pay anywhere from $200 to $500 for this repair. However, it is recommended to obtain quotes from local auto repair shops to get a more accurate estimate based on your specific vehicle make and model.
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