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Engine-Codes – Generic – P1F44

P1F44 Code - Hybrid/EV Electronics Coolant Pump Enable Circuit Low Voltage

Quick Answer

The diagnostic trouble code P1F44 refers to a Hybrid/EV Electronics Coolant Pump Enable Circuit Low Voltage. Common causes include Faulty coolant pump, Malfunctioning coolant pump relay, Damaged wiring or connectors in the enable circuit. 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
P1F44 indicates Hybrid/EV Electronics Coolant Pump Enable Circuit Low Voltage.
Common causes
Common causes include Faulty coolant pump, Malfunctioning coolant pump relay, Damaged wiring or connectors in the enable circuit.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 07, 2024
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Code P1F44 Description

The diagnostic trouble code P1F44 refers to a Hybrid/EV Electronics Coolant Pump Enable Circuit Low Voltage. This code indicates that the voltage in the circuit that enables the coolant pump in a hybrid or electric vehicle is lower than the specified threshold. The coolant pump is a crucial component in maintaining optimal operating temperatures for the vehicle's electronics, battery, and other critical systems.

OBDII Code P1F44 - Hybrid/EV Electronics Coolant Pump Enable Circuit Low Voltage
P1F44 Code - Hybrid/EV Electronics Coolant Pump Enable Circuit Low Voltage

Common Causes of P1F44

  1. Faulty coolant pump
  2. Malfunctioning coolant pump relay
  3. Damaged wiring or connectors in the enable circuit
  4. Issues with the vehicle's PCM
  5. Low coolant levels

Symptoms of P1F44

  1. Engine overheating
  2. Reduced power output
  3. Decreased fuel efficiency
  4. Check Engine Light illuminated
  5. Vehicle running hot

How to Fix P1F44

  1. Begin by diagnosing the exact cause of the low voltage in the coolant pump enable circuit using a diagnostic scanner.
  2. Inspect the coolant pump, relay, wiring, and connectors for any signs of damage or malfunction.
  3. Replace or repair any faulty components, such as the coolant pump, relay, wiring, or connectors.
  4. Clear the diagnostic trouble codes from the vehicle's PCM and test the system to ensure proper functionality.
  5. Monitor the vehicle for any recurring issues and perform a final test drive to confirm that the problem has been resolved.

Cost to Fix P1F44

The typical repair costs for addressing a Hybrid/EV Electronics Coolant Pump Enable Circuit Low Voltage issue can range from $200 to $500, including parts and labor. However, it's important to note that the specific diagnosis time and labor rates at auto repair shops can vary based on factors such as location, vehicle make and model, and engine type. Auto repair shops commonly charge between $80 and $150 per hour, but rates may vary. It's advisable to check with local shops for a more accurate estimate based on your specific situation.

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Code P1F44 Information for Specific Makes

  • P1F44 Buick — Hybrid/EV Electronics Coolant Pump Enable Circuit Low Voltage
  • P1F44 Cadillac — Hybrid/EV Electronics Coolant Pump Enable Circuit Low Voltage
  • P1F44 Chevrolet — Hybrid/EV Electronics Coolant Pump Enable Circuit Low Voltage
  • P1F44 GMC — Hybrid/EV Electronics Coolant Pump Enable Circuit Low Voltage
  • P1F44 Saturn — Hybrid/EV Electronics Coolant Pump Enable Circuit Low Voltage
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 P1F44 Code

1. What are the common symptoms of OBDII code P1F44?

Common symptoms of P1F44 include the illumination of the check engine light, poor engine performance, overheating issues, and potential coolant leaks.

2. What are some possible causes of the Hybrid/EV Electronics Coolant Pump Enable Circuit Low Voltage code?

Possible causes of P1F44 can include a faulty electronics coolant pump, damaged electrical wiring or connectors, low coolant levels, or issues with the hybrid/EV system's control module.

3. How can I diagnose the Hybrid/EV Electronics Coolant Pump Enable Circuit Low Voltage code?

To diagnose P1F44, a thorough inspection of the electronics coolant pump and related components is necessary. This may involve checking for proper voltage levels, inspecting wiring for damage, and scanning the system for any other related trouble codes.

4. Can I still drive my vehicle with OBDII code P1F44 present?

It is not recommended to drive your vehicle with code P1F44 present, as it can lead to engine overheating and potential damage. It is best to address the issue promptly to avoid further complications.

5. How can I repair OBDII code P1F44?

Repairing P1F44 typically involves replacing the faulty electronics coolant pump, repairing any damaged wiring or connectors, ensuring proper coolant levels, and clearing the trouble code from the vehicle's computer.

6. Is the Hybrid/EV Electronics Coolant Pump Enable Circuit Low Voltage code a serious issue?

Yes, P1F44 should be taken seriously as it can lead to engine overheating and potential damage if left unresolved. It is important to address this code promptly to ensure the proper functioning of the cooling system.

7. Can a DIY enthusiast fix OBDII code P1F44?

While some DIY enthusiasts may have the skills to diagnose and repair P1F44, it is recommended to seek professional help, especially when dealing with hybrid/EV electronics and cooling systems to ensure the issue is properly resolved.

8. How much does it cost to repair OBDII code P1F44?

The cost of repairing P1F44 can vary depending on the root cause of the issue, the extent of the damage, and labor rates in your area. It is advisable to obtain quotes from reputable mechanics or dealerships for an accurate estimate.

9. Will resetting the trouble codes make OBDII code P1F44 disappear?

Resetting the trouble codes may temporarily clear P1F44 from the system, but if the underlying issue is not addressed, the code is likely to reappear once the problem persists. It is crucial to diagnose and repair the root cause of the code.

10. How can I prevent OBDII code P1F44 from occurring in the future?

Regular maintenance of the cooling system, including checking coolant levels, inspecting the electronics coolant pump, and addressing any warning signs promptly, can help prevent the recurrence of P1F44. Additionally, following the manufacturer's recommended service schedule can aid in early detection and prevention of such issues.

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