P0963 2016 GMC Sierra Code - Line Pressure Control Solenoid Valve Control Circuit High Voltage
Quick Answer
The P0963 diagnostic trouble code (DTC) for a 2016 GMC Sierra relates to the Line Pressure Control Solenoid Valve Control Circuit registering high voltage. Common causes include Faulty line pressure control solenoid valve, Wiring harness issues, Malfunctioning transmission control module (TCM). 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
- P0963 2016 GMC Sierra indicates Line Pressure Control Solenoid Valve Control Circuit High Voltage.
- Common causes
- Common causes include Faulty line pressure control solenoid valve, Wiring harness issues, Malfunctioning transmission control module (TCM).
- 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 P0963 2016 GMC Sierra Description
The P0963 diagnostic trouble code (DTC) for a 2016 GMC Sierra relates to the Line Pressure Control Solenoid Valve Control Circuit registering high voltage. This code indicates that there is an issue with the electrical circuit controlling the line pressure solenoid valve in the transmission. The line pressure solenoid valve is responsible for regulating the hydraulic pressure within the transmission, which is crucial for proper gear shifting and overall transmission performance.
Common Causes of P0963 2016 GMC Sierra
- Faulty line pressure control solenoid valve
- Wiring harness issues
- Malfunctioning transmission control module (TCM)
- Poor electrical connection
- Corrosion or damage to electrical components
Symptoms of P0963 2016 GMC Sierra
- Harsh or delayed shifting
- Slipping gears
- Transmission overheating
- Illuminated Check Engine Light
- Reduced fuel efficiency
How to Fix P0963 2016 GMC Sierra
- Begin by conducting a thorough inspection of the wiring harness and electrical connections related to the line pressure control solenoid valve.
- Test the solenoid valve for proper operation and replace it if necessary.
- Check the transmission control module (TCM) for any faults or errors and address them accordingly.
- Clear the DTC from the vehicle's memory using a diagnostic scanner and perform a test drive to ensure the issue has been resolved.
- If the problem persists, consider seeking professional assistance from a qualified mechanic or transmission specialist for further diagnosis and repair.
Cost to Fix P0963 2016 GMC Sierra
The typical repair costs for addressing a P0963 code on a 2016 GMC Sierra can range from $200 to $500, including parts and labor. However, it is important to note that specific diagnosis time and labor rates at auto repair shops can vary based on factors such as location, vehicle make and model, and engine type. Auto repair shops commonly charge between $80 and $150 per hour for labor, with rates potentially higher in metropolitan areas or at dealerships and lower at independent shops. It is recommended to obtain quotes from local shops for a more accurate estimate.
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