P0971 Code - Pressure Control Solenoid 'C' Control Circuit High
Quick Answer
The Pressure Control (PC) Solenoid Valve an electronic pressure regulator that controls transmission line pressure based on current flow through its coil windings. Common causes include Faulty Pressure Control Solenoid 'C', Pressure Control Solenoid 'C' harness is open or shorted, Pressure Control Solenoid 'C' circuit poor electrical connection. 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 indicates Pressure Control Solenoid 'C' Control Circuit High.
- Common causes
- Common causes include Faulty Pressure Control Solenoid 'C', Pressure Control Solenoid 'C' harness is open or shorted, Pressure Control Solenoid 'C' circuit poor electrical connection.
- 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 Description
What are the Possible Causes of the DTC P0971?
- Faulty Pressure Control Solenoid 'C'
- Pressure Control Solenoid 'C' harness is open or shorted
- Pressure Control Solenoid 'C' circuit poor electrical connection
How to Fix the DTC P0971?
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 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.
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Information for Specific Makes
- P0971 Acura — Pressure Control Solenoid 'C' Control Circuit High
- P0971 Buick — Pressure Control Solenoid Valve 3 Control Circuit High Voltage
- P0971 Cadillac — Pressure Control Solenoid Valve 3 Control Circuit High Voltage
- P0971 Chevrolet — Pressure Control Solenoid Valve 3 Control Circuit High Voltage
- P0971 Dodge — Pressure Control Solenoid 'C' Control Circuit High
- P0971 GMC — Pressure Control Solenoid Valve 3 Control Circuit High Voltage
- P0971 Honda — Pressure Control Solenoid 'C' Control Circuit High
- P0971 Pontiac — Pressure Control Solenoid Valve 3 Control Circuit High Voltage
- P0971 Saturn — Pressure Control Solenoid Valve 3 Control Circuit High Voltage
Frequently Asked Questions about P0971 Code
1. What are common symptoms of OBDII code P0971 (Pressure Control Solenoid 'C' Control Circuit High)?
- Common symptoms include harsh shifting, transmission slippage, decreased fuel efficiency, and the illumination of the Check Engine Light.
2. What are the possible causes of OBDII code P0971?
- The code P0971 can be triggered by issues such as a faulty pressure control solenoid, damaged wiring or connectors in the circuit, low transmission fluid level, or a malfunctioning transmission control module.
3. How can I diagnose the cause of OBDII code P0971?
- Diagnosing the code may involve conducting a visual inspection of the wiring and connectors, checking the transmission fluid level and condition, and using a diagnostic scanner to read live data and monitor the pressure control solenoid operation.
4. What should I do if I encounter OBDII code P0971?
- If you encounter code P0971, it is recommended to address the issue promptly to prevent further damage to the transmission. Consult a professional mechanic for a proper diagnosis and repair.
5. Can I continue driving with OBDII code P0971 present?
- While it may be possible to drive with the code present, it is not recommended as it can lead to transmission issues and potential damage. It is best to have the problem diagnosed and repaired as soon as possible.
6. How much does it typically cost to repair OBDII code P0971?
- The cost of repairing code P0971 can vary depending on the root cause of the issue, labor rates in your area, and the cost of parts. It is advisable to obtain quotes from different repair shops to compare prices.
7. Is it possible to reset OBDII code P0971 without fixing the underlying issue?
- While clearing the code may temporarily turn off the Check Engine Light, it will not solve the underlying problem causing code P0971. It is crucial to address the root cause of the issue for proper functioning of the transmission.
8. Can a DIY enthusiast fix OBDII code P0971 at home?
- Repairing code P0971 may require advanced knowledge of automotive systems and specialized tools. It is recommended to consult a professional mechanic for accurate diagnosis and repair to ensure the issue is resolved correctly.
9. Are there any preventive maintenance measures to avoid OBDII code P0971?
- Regularly servicing and checking the transmission fluid level, addressing any leaks promptly, and following the manufacturer's recommended maintenance schedule can help prevent issues like code P0971 from occurring.
10. How long does it typically take to repair OBDII code P0971?
- The repair time for code P0971 can vary based on the specific cause of the issue, availability of parts, and the workload of the repair shop. In some cases, the repair may be completed within a few hours, while more complex issues may take longer to resolve.
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