P0964 2017 GMC Sierra Code - Pressure Control Solenoid Valve 2 Control Circuit Open
Quick Answer
The OBD-II trouble code P0964 in a 2017 GMC Sierra indicates a problem with the Pressure Control Solenoid Valve 2 Control Circuit being open. Common causes include Faulty pressure control solenoid valve, Damaged wiring or connectors in the control circuit, Malfunctioning transmission control module. 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
- P0964 2017 GMC Sierra indicates Pressure Control Solenoid Valve 2 Control Circuit Open.
- Common causes
- Common causes include Faulty pressure control solenoid valve, Damaged wiring or connectors in the control circuit, Malfunctioning transmission control module.
- 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 P0964 2017 GMC Sierra Description
The OBD-II trouble code P0964 in a 2017 GMC Sierra indicates a problem with the Pressure Control Solenoid Valve 2 Control Circuit being open. This solenoid valve is responsible for regulating the hydraulic pressure within the transmission. When the control circuit is open, it means that there is an interruption in the electrical connection between the transmission control module and the solenoid valve. This can lead to improper pressure regulation, affecting the shifting of gears and overall transmission performance.
Common Causes of P0964 2017 GMC Sierra
- Faulty pressure control solenoid valve
- Damaged wiring or connectors in the control circuit
- Malfunctioning transmission control module
- Low transmission fluid levels
Symptoms of P0964 2017 GMC Sierra
- Erratic shifting
- Harsh gear changes
- Transmission slipping
- Decreased fuel efficiency
- Transmission overheating
How to Fix P0964 2017 GMC Sierra
- Diagnose the issue by using a scan tool to verify the P0964 code and inspecting the wiring and connectors for any damage.
- Test the pressure control solenoid valve for proper functioning and replace if necessary.
- Check and refill transmission fluid to the correct level.
- Clear the trouble code from the vehicle's memory and test drive to ensure the issue has been resolved.
- If the problem persists, further diagnostics may be needed to identify any underlying issues with the transmission control module.
Cost to Fix P0964 2017 GMC Sierra
The typical repair costs for addressing a P0964 code in a 2017 GMC Sierra can range from $200 to $500, including parts and labor. However, it's 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. Rates in metropolitan areas or at dealerships may be higher, while independent shops often charge less. It's recommended to check local rates for a more accurate estimate.
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Frequently Asked Questions about P0964 2017 GMC Sierra Code
1. What does the OBDII code P0964 mean on a 2017 GMC Sierra?
P0964 indicates an open circuit in the Pressure Control Solenoid Valve 2 control circuit, which impacts the transmission's ability to regulate hydraulic pressure.
2. What are the symptoms of a P0964 code on a 2017 GMC Sierra?
Symptoms may include harsh or erratic shifting, transmission slipping, reduced fuel efficiency, and the Check Engine Light illuminating.
3. What causes the P0964 code on a 2017 GMC Sierra?
Common causes include a faulty pressure control solenoid, damaged wiring or connectors in the solenoid circuit, or a malfunctioning transmission control module (TCM).
4. Can I drive my 2017 GMC Sierra with a P0964 code?
Driving with a P0964 code is not recommended as it can lead to further transmission damage and unsafe driving conditions due to erratic shifting.
5. How is the P0964 code diagnosed?
A mechanic will use a scan tool to confirm the code, inspect the solenoid wiring and connectors, test the resistance of the solenoid, and check for any additional transmission-related codes.
6. How do I fix the P0964 code on a 2017 GMC Sierra?
Repairs may involve replacing a faulty pressure control solenoid, repairing or replacing damaged wiring/connectors, or reprogramming or replacing the TCM.
7. How much does it cost to fix a P0964 code on a 2017 GMC Sierra?
Repair costs can vary, typically ranging from $150 to $400, depending on whether the issue is with the solenoid, wiring, or TCM.
8. Can a faulty battery cause the P0964 code on a 2017 GMC Sierra?
While unlikely, a weak or failing battery can occasionally cause electrical issues that may contribute to transmission control circuit faults.
9. Does the P0964 code mean the transmission needs to be replaced?
Not necessarily. The issue is often related to the solenoid or wiring and can usually be repaired without replacing the entire transmission.
10. How can I prevent the P0964 code from recurring on my 2017 GMC Sierra?
Regular maintenance, including inspecting transmission wiring and connectors, ensuring proper fluid levels, and addressing any electrical issues promptly, can help prevent this code.
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