P0971 2017 GMC Sierra Code - Pressure Control Solenoid Valve 3 Control Circuit High Voltage
Quick Answer
The P0971 diagnostic trouble code (DTC) for a 2017 GMC Sierra refers to an issue with the Pressure Control Solenoid Valve 3 Control Circuit registering high voltage. Common causes include Faulty Pressure Control Solenoid Valve 3, Damaged wiring or connectors in the control circuit, Issues with the PCM. 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
- P0971 2017 GMC Sierra indicates Pressure Control Solenoid Valve 3 Control Circuit High Voltage.
- Common causes
- Common causes include Faulty Pressure Control Solenoid Valve 3, Damaged wiring or connectors in the control circuit, Issues with the PCM.
- 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.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
Code P0971 2017 GMC Sierra Description
The P0971 diagnostic trouble code (DTC) for a 2017 GMC Sierra refers to an issue with the Pressure Control Solenoid Valve 3 Control Circuit registering high voltage. This valve is a crucial component of the transmission system, responsible for regulating hydraulic pressure within the transmission. When the PCM (Powertrain Control Module) detects that the voltage in the circuit controlling the Pressure Control Solenoid Valve 3 is higher than normal, it triggers the P0971 code. This can lead to various performance issues and potential long-term effects if not addressed promptly.
Common Causes of P0971 2017 GMC Sierra
- Faulty Pressure Control Solenoid Valve 3
- Damaged wiring or connectors in the control circuit
- Issues with the PCM
- Electrical problems such as shorts or open circuits
- Corrosion or poor connections in the circuit
Symptoms of P0971 2017 GMC Sierra
- Harsh or delayed shifting
- Erratic transmission behavior
- Transmission slipping
- Decreased fuel efficiency
- Illumination of the Check Engine Light
How to Fix P0971 2017 GMC Sierra
- Begin by conducting a thorough inspection of the Pressure Control Solenoid Valve 3, wiring, and connectors to identify any visible damage or issues.
- Test the Pressure Control Solenoid Valve 3 using a multimeter to determine if it is functioning within specifications.
- Check the wiring and connectors for continuity and repair or replace any damaged components as needed.
- Clear the DTC from the PCM memory using a diagnostic scan tool and test drive the vehicle to ensure the issue has been resolved.
- If the problem persists, further diagnostic testing may be required to pinpoint the exact cause of the high voltage in the circuit.
Cost to Fix P0971 2017 GMC Sierra
The typical repair costs for addressing the P0971 code on a 2017 GMC Sierra can vary depending on the specific cause of the issue. In general, replacing a faulty Pressure Control Solenoid Valve 3 or repairing damaged wiring/connectors can range from $200 to $500, including parts and labor. However, it's important to note that diagnosis time and labor rates at auto repair shops can vary significantly based on factors such as location, vehicle make and model, and engine type. It's recommended to check with local shops for more accurate estimates. Labor rates typically range between $80 and $150 per hour, with rates potentially higher at dealerships or in metropolitan areas and lower at independent shops.
Need more information about the P0971 2017 GMC Sierra code?
Need more information on how to fix the P0971 2017 GMC Sierra code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the P0971 2017 GMC Sierra code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about P0971 2017 GMC Sierra Code
No Frequently Asked Questions about P0971 2017 GMC Sierra Code found.
Discuss the causes and fixes for P0971 2017 GMC Sierra OBDII Code
Code P0971 2017 GMC Sierra comments
No comments found for this page.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.