Engine-CodesGeneric – P19FC

P19FC Code - Hybrid/EV Electronics Coolant Pump Feedback Circuit Performance

Quick Answer

The diagnostic trouble code P19FC indicates a problem with the Hybrid/EV Electronics Coolant Pump Feedback Circuit Performance in a hybrid or electric vehicle. Common causes include Faulty coolant pump, Wiring or connector issues in the coolant pump circuit, Low coolant levels or coolant leaks. 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
P19FC indicates Hybrid/EV Electronics Coolant Pump Feedback Circuit Performance.
Common causes
Common causes include Faulty coolant pump, Wiring or connector issues in the coolant pump circuit, Low coolant levels or coolant leaks.
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.
Table of contents Created and updated by William Orellana on Aug 30, 2024
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Code P19FC Description

The diagnostic trouble code P19FC indicates a problem with the Hybrid/EV Electronics Coolant Pump Feedback Circuit Performance in a hybrid or electric vehicle. This code specifically relates to the coolant pump that is responsible for cooling the electronics in the vehicle's hybrid or electric system. The coolant pump ensures that the electronics operate at optimal temperatures to prevent overheating and maintain efficiency. When this circuit's performance is compromised, it can lead to issues with the vehicle's overall performance and potentially cause damage to the electronics in the system.

OBDII Code P19FC - Hybrid/EV Electronics Coolant Pump Feedback Circuit Performance
P19FC Code - Hybrid/EV Electronics Coolant Pump Feedback Circuit Performance

Common Causes of P19FC

  1. Faulty coolant pump.
  2. Wiring or connector issues in the coolant pump circuit.
  3. Low coolant levels or coolant leaks.
  4. Issues with the coolant temperature sensor.
  5. Electronic control module (ECM) failure.

Symptoms of P19FC

  1. Malfunction indicator light (MIL) or check engine light illuminated on the dashboard.
  2. Reduced fuel efficiency or performance.
  3. Overheating of the hybrid or electric system.
  4. Strange noises coming from the coolant pump area.
  5. In some cases, the vehicle may go into a fail-safe mode to prevent further damage.

How to Fix P19FC

  1. Begin by conducting a thorough inspection of the coolant pump, wiring, and connectors for any visible damage or signs of wear.
  2. Test the coolant pump and coolant temperature sensor to determine if they are functioning correctly.
  3. Check and refill coolant levels if necessary and address any leaks in the system.
  4. Replace any faulty components such as the coolant pump, wiring harness, or coolant temperature sensor.
  5. Clear the diagnostic trouble codes and test drive the vehicle to ensure the issue has been resolved.

Cost to Fix P19FC

The cost of repairing a Hybrid/EV Electronics Coolant Pump Feedback Circuit Performance issue can vary depending on the specific cause of the problem and the vehicle's make and model. On average, this type of repair can range from $200 to $600, including parts and labor. However, it's essential to keep in mind that labor rates can vary between different auto repair shops and locations. It's recommended to consult with a professional technician to get an accurate estimate for your specific vehicle.

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Code P19FC Information for Specific Makes

  • P19FC Buick — Hybrid/EV Electronics Coolant Pump Feedback Circuit Performance
  • P19FC Cadillac — Hybrid/EV Electronics Coolant Pump Feedback Circuit Performance
  • P19FC Chevrolet — Hybrid/EV Electronics Coolant Pump Feedback Circuit Performance
  • P19FC GMC — Hybrid/EV Electronics Coolant Pump Feedback Circuit Performance
About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P19FC Code

1. What are the common symptoms of OBDII code P19FC?

- Common symptoms include poor hybrid system performance, overheating issues, and illuminated warning lights on the dashboard.

2. What does the OBDII code P19FC indicate?

- The code P19FC indicates a malfunction in the Hybrid/EV Electronics Coolant Pump Feedback Circuit Performance.

3. What are some possible causes of code P19FC?

- Possible causes include a faulty coolant pump, issues with the coolant pump control module, damaged wiring, or poor electrical connections.

4. How can I diagnose the cause of OBDII code P19FC?

- Diagnosis involves checking the coolant pump operation, inspecting the wiring and connections, and testing the coolant pump control module for proper functioning.

5. Can I still drive my vehicle with OBDII code P19FC?

- It is not recommended to drive the vehicle with code P19FC as it can lead to further damage to the hybrid system components.

6. How can I repair OBDII code P19FC?

- Repair may involve replacing the faulty coolant pump, repairing damaged wiring, or addressing issues with the coolant pump control module.

7. Are there any DIY tips for addressing code P19FC?

- DIY tips include checking the coolant pump fuse, ensuring proper coolant levels, and inspecting for any visible damage to the coolant pump components.

8. Is it necessary to reset the OBDII code P19FC after repairs?

- Yes, it is important to reset the code using an OBDII scanner after repairs to clear the fault memory and ensure proper functioning of the system.

9. Can a malfunctioning coolant pump cause other issues in a hybrid vehicle?

- Yes, a malfunctioning coolant pump can lead to overheating of the hybrid system components, reduced efficiency, and potential damage to other electronic components.

10. How can I prevent OBDII code P19FC from recurring?

- Regular maintenance, including coolant system inspections, checking electrical connections, and addressing any warning signs promptly, can help prevent the recurrence of code P19FC.

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