P0966 Buick Code - Pressure Control Solenoid Valve 2 Control Circuit Low Voltage
Quick Answer
The P0966 Buick code 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 2, Wiring issues or corrosion in the control circuit, Low transmission fluid levels or dirty fluid. 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 Buick indicates Pressure Control Solenoid Valve 2 Control Circuit Low Voltage.
- Common causes
- Common causes include Faulty pressure control solenoid valve 2, Wiring issues or corrosion in the control circuit, Low transmission fluid levels or dirty fluid.
- 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 Buick Description
The P0966 Buick code indicates a problem with the Pressure Control Solenoid Valve 2 Control Circuit, specifically a low voltage issue. This solenoid valve is a crucial component of the transmission system, responsible for regulating the hydraulic pressure within the transmission. When the control circuit for this valve is detecting low voltage, it can lead to issues with shifting gears smoothly, decreased fuel efficiency, and potential long-term damage to the transmission system if not addressed promptly.
Common Causes of P0966 Buick
- Faulty pressure control solenoid valve 2
- Wiring issues or corrosion in the control circuit
- Low transmission fluid levels or dirty fluid
- Electrical problems such as a blown fuse or relay
- Issues with the transmission control module
Symptoms of P0966 Buick
- Rough or delayed shifting between gears
- Harsh gear engagements or slipping
- Decreased fuel efficiency
- Illumination of the Check Engine Light
- Transmission overheating
How to Fix P0966 Buick
- Begin by conducting a thorough inspection of the pressure control solenoid valve 2 and its wiring to check for any visible damage or corrosion.
- Test the voltage and continuity of the control circuit using a multimeter to pinpoint the source of the low voltage issue.
- If necessary, replace the pressure control solenoid valve 2 and repair any damaged wiring or connectors.
- Check and top up the transmission fluid levels if low, and perform a transmission fluid flush if necessary.
- Clear the diagnostic trouble codes from the vehicle's computer system and test drive the vehicle to ensure that the issue has been resolved.
Cost to Fix P0966 Buick
The typical repair costs for addressing a P0966 Buick code can vary depending on the specific cause of the issue and the extent of the repairs needed. In general, replacing a pressure control solenoid valve 2 can cost anywhere from $150 to $300, including parts and labor. Additional costs may be incurred for diagnostic testing, wiring repairs, or fluid flushes. It's important to note that labor rates at auto repair shops can range from $80 to $150 per hour, so it's advisable to check with local shops for a more accurate estimate based on your location and vehicle.
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