P0966 2018 Chevrolet Silverado Code - Pressure Control Solenoid Valve 2 Control Circuit Low Voltage
Quick Answer
The P0966 code in a 2018 Chevrolet Silverado indicates a problem with the Pressure Control Solenoid Valve 2 Control Circuit, specifically a low voltage issue. Common causes include Faulty pressure control solenoid valve, Wiring issues or loose connections in the control circuit, Low transmission fluid levels. 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
- P0966 2018 Chevrolet Silverado indicates Pressure Control Solenoid Valve 2 Control Circuit Low Voltage.
- Common causes
- Common causes include Faulty pressure control solenoid valve, Wiring issues or loose connections in the control circuit, Low transmission fluid levels.
- 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 P0966 2018 Chevrolet Silverado Description
The P0966 code in a 2018 Chevrolet Silverado indicates a problem with the Pressure Control Solenoid Valve 2 Control Circuit, specifically a low voltage issue. The pressure control solenoid valve is a crucial component of the transmission system, responsible for regulating hydraulic pressure within the transmission. When the control circuit for this valve is experiencing low voltage, it can lead to improper shifting patterns, reduced fuel efficiency, and potential damage to the transmission system.
Common Causes of P0966 2018 Chevrolet Silverado
- Faulty pressure control solenoid valve.
- Wiring issues or loose connections in the control circuit.
- Low transmission fluid levels.
- Electrical issues in the transmission control module.
- Internal transmission damage.
Symptoms of P0966 2018 Chevrolet Silverado
- Check Engine Light illuminated on the dashboard.
- Harsh or delayed shifting between gears.
- Reduced fuel efficiency.
- Transmission slipping.
- Transmission overheating.
How to Fix P0966 2018 Chevrolet Silverado
- Begin by conducting a thorough inspection of the pressure control solenoid valve 2 and its wiring harness to check for any visible damage or loose connections.
- Test the voltage output of the control circuit to determine if it is indeed low, using a multimeter to diagnose the issue accurately.
- If the solenoid valve is faulty, replace it with a new, OEM-quality part to ensure proper functioning.
- Check and top up transmission fluid levels if necessary, as low fluid levels can also contribute to this issue.
- Clear the diagnostic trouble codes from the vehicle's system and test drive the vehicle to ensure the problem has been resolved.
Cost to Fix P0966 2018 Chevrolet Silverado
The cost of repairing a P0966 code in a 2018 Chevrolet Silverado can vary depending on the specific cause of the issue. On average, the cost of replacing a pressure control solenoid valve can range from $150 to $300, including parts and labor. Additional costs may apply if there are wiring repairs or other components that need attention. It's recommended to consult with a professional mechanic for a more accurate estimate based on the specific diagnosis and repair needed. Labor rates at auto repair shops typically range from $80 to $150 per hour, but can vary based on location and other factors.
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