P171C Chevrolet Code - Transmission Fluid Pressure Accumulator Solenoid Valve Control Circuit High Voltage
Quick Answer
The automatic transmission auxiliary fluid accumulator is used to supply transmission fluid line pressure following an Autostop event. Common causes include Faulty Automatic Transmission Accumulator Solenoid Valve, Automatic Transmission Accumulator Solenoid Valve harness is open or shorted, Automatic Transmission Accumulator Solenoid Valve 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
- P171C Chevrolet indicates Transmission Fluid Pressure Accumulator Solenoid Valve Control Circuit High Voltage.
- Common causes
- Common causes include Faulty Automatic Transmission Accumulator Solenoid Valve, Automatic Transmission Accumulator Solenoid Valve harness is open or shorted, Automatic Transmission Accumulator Solenoid Valve 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 P171C Chevrolet Description
What are the Possible Causes of the DTC P171C Chevrolet?
- Faulty Automatic Transmission Accumulator Solenoid Valve
- Automatic Transmission Accumulator Solenoid Valve harness is open or shorted
- Automatic Transmission Accumulator Solenoid Valve circuit poor electrical connection
- Faulty Hybrid/EV Powertrain Control Module 1
How to Fix the DTC P171C Chevrolet?
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 P171C Chevrolet 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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Frequently Asked Questions about P171C Chevrolet Code
1. What are the common symptoms of OBDII code P171C in a Chevrolet related to the Transmission Fluid Pressure Accumulator Solenoid Valve Control Circuit High Voltage?
- Common symptoms may include harsh shifting, transmission slipping, reduced fuel efficiency, and the illumination of the Check Engine Light.
2. What are the possible causes of OBDII code P171C in a Chevrolet indicating an issue with the Transmission Fluid Pressure Accumulator Solenoid Valve Control Circuit High Voltage?
- Possible causes may include a faulty solenoid valve, wiring issues, a malfunctioning transmission control module (TCM), or low transmission fluid levels.
3. How can I diagnose the source of OBDII code P171C in my Chevrolet related to the Transmission Fluid Pressure Accumulator Solenoid Valve Control Circuit High Voltage?
- Diagnosis typically involves using a scan tool to retrieve the trouble codes, performing a visual inspection of the solenoid and its wiring, and testing the solenoid for proper operation.
4. Is it safe to continue driving my Chevrolet with OBDII code P171C indicating a problem with the Transmission Fluid Pressure Accumulator Solenoid Valve Control Circuit High Voltage?
- It is not recommended to continue driving the vehicle with this code present, as it can lead to further damage to the transmission if left unresolved.
5. What are the repair options for addressing OBDII code P171C in a Chevrolet related to the Transmission Fluid Pressure Accumulator Solenoid Valve Control Circuit High Voltage?
- Repair options may include replacing the faulty solenoid valve, repairing damaged wiring, resetting the TCM, or performing a transmission fluid flush and refill.
6. Can a DIY enthusiast fix OBDII code P171C in a Chevrolet themselves?
- While some may attempt to diagnose and repair this issue themselves, it is recommended to seek the assistance of a qualified mechanic or technician due to the complexity of transmission-related repairs.
7. How much does it typically cost to repair OBDII code P171C in a Chevrolet caused by issues with the Transmission Fluid Pressure Accumulator Solenoid Valve Control Circuit High Voltage?
- Repair costs can vary depending on the specific cause of the issue, but they may range from $200 to $600 or more, including parts and labor.
8. Will resetting the Check Engine Light resolve OBDII code P171C in a Chevrolet?
- Simply resetting the Check Engine Light will not fix the underlying issue causing OBDII code P171C, as it is essential to address the root cause of the problem to prevent further transmission damage.
9. How often should I check my Chevrolet for OBDII codes like P171C related to the Transmission Fluid Pressure Accumulator Solenoid Valve Control Circuit High Voltage?
- It is advisable to check for OBDII codes regularly, especially if you notice any unusual symptoms or behaviors with the transmission, to catch potential issues early and prevent costly repairs.
10. Are there any preventive maintenance measures I can take to reduce the risk of encountering OBDII code P171C in my Chevrolet?
- Regularly servicing the transmission, checking and maintaining proper fluid levels, and addressing any transmission-related symptoms promptly can help reduce the likelihood of encountering code P171C.
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