P0971 2015 GMC Sierra Code - Pressure Control Solenoid Valve 3 Control Circuit High Voltage
Quick Answer
The pressure control solenoid 3 is part of the control solenoid valve assembly which has no serviceable parts. Common causes include Low transmission fluid, Faulty Control Solenoid Valve Assembly, Control Solenoid Valve Assembly harness is open or shorted. 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 2015 GMC Sierra indicates Pressure Control Solenoid Valve 3 Control Circuit High Voltage.
- Common causes
- Common causes include Low transmission fluid, Faulty Control Solenoid Valve Assembly, Control Solenoid Valve Assembly harness is open or shorted.
- 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.
Code P0971 2015 GMC Sierra Description
The Diagnostic Trouble Code (DTC) will be set when the Transmission Control Module detects an open or short to voltage on the pressure control solenoid 3 control circuit for 1 s.
What are the Possible Causes of the DTC P0971 2015 GMC Sierra?
- Low transmission fluid
- Faulty Control Solenoid Valve Assembly
- Control Solenoid Valve Assembly harness is open or shorted
- Control Solenoid Valve Assembly circuit poor electrical connection
How to Fix the DTC P0971 2015 GMC Sierra?
Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P0971 2015 GMC Sierra code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.
Need more information about the P0971 2015 GMC Sierra code?
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Frequently Asked Questions about P0971 2015 GMC Sierra Code
1. What does the OBDII code P0971 mean on a 2015 GMC Sierra?
P0971 indicates a high voltage issue in the control circuit for Pressure Control Solenoid Valve 3, which is part of the transmission system.
2. What are the common symptoms of code P0971 in a 2015 GMC Sierra?
Symptoms may include harsh or erratic shifting, transmission slipping, poor acceleration, or the transmission being stuck in a particular gear.
3. What causes the P0971 code to appear in my GMC Sierra?
Common causes include a faulty pressure control solenoid, damaged wiring or connectors, a malfunctioning transmission control module (TCM), or low transmission fluid.
4. Can I still drive my 2015 GMC Sierra with the P0971 code?
While driving may still be possible, it is not recommended as it could lead to further transmission damage or unsafe driving conditions.
5. How do I diagnose the P0971 code on a GMC Sierra?
Diagnosis involves checking the transmission fluid level, inspecting the wiring and connectors for damage, testing the solenoid for proper operation, and scanning the TCM for additional codes.
6. How much does it cost to fix the P0971 code on a 2015 GMC Sierra?
Repair costs can vary but typically range from $150 to $400, depending on whether the solenoid, wiring, or other components need replacement.
7. Can a low transmission fluid level cause the P0971 code?
Yes, low or contaminated transmission fluid can affect the pressure control solenoid's performance and trigger the P0971 code.
8. How can I reset the P0971 code after making repairs?
The code can be reset using an OBDII scanner after ensuring all issues causing the code are resolved.
9. Is a faulty transmission control module (TCM) a possible cause of the P0971 code?
Yes, a malfunctioning TCM can send incorrect signals to the solenoid, resulting in a high voltage condition.
10. What happens if I ignore the P0971 code on my GMC Sierra?
Ignoring the code may lead to worsening transmission issues, increased repair costs, and potential damage to other components.
Discuss the causes and fixes for P0971 2015 GMC Sierra OBDII Code
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