AutoCodes – Saturn – P1FFE Saturn

P1FFE Saturn Code - Hybrid/EV Battery Pack Coolant Level Low

Quick Answer

The hybrid/EV battery pack coolant system has a level sensor. Common causes include Faulty Hybrid/EV Powertrain Control Module 2, Hybrid/EV Powertrain Control Module 2 harness is open or shorted, Hybrid/EV Powertrain Control Module 2 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
P1FFE Saturn indicates Hybrid/EV Battery Pack Coolant Level Low.
Common causes
Common causes include Faulty Hybrid/EV Powertrain Control Module 2, Hybrid/EV Powertrain Control Module 2 harness is open or shorted, Hybrid/EV Powertrain Control Module 2 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.
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Code Popularity 768
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Apr 27, 2020
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Code P1FFE Saturn Description

The hybrid/EV battery pack coolant system has a level sensor. The hybrid/EV battery pack coolant level sensor is attached to the coolant surge tank. The level sensor is a 2 state bi-metallic reed switch which changes state when the switch reed is exposed to magnetism. The level of the hybrid/EV battery pack coolant in the surge tank causes a magnet-equipped float to move towards and away from the sensor as coolant level decreases or increases. The hybrid/EV powertrain control module 2 supplies 5 V to the signal circuit and a ground for the low reference circuit. The hybrid/EV battery pack coolant level sensor resistance decreases when the battery coolant level in the surge tank gets low. The hybrid/EV powertrain control module 2 uses the hybrid/EV battery pack coolant level sensor to determine if the hybrid/EV battery pack coolant system is low on coolant.
OBDII Code P1FFE Saturn - Hybrid/EV Battery Pack Coolant Level Low - AutoCodes.com
P1FFE Saturn Code - Hybrid/EV Battery Pack Coolant Level Low

What are the Possible Causes of the DTC P1FFE Saturn?

  • Faulty Hybrid/EV Powertrain Control Module 2
  • Hybrid/EV Powertrain Control Module 2 harness is open or shorted
  • Hybrid/EV Powertrain Control Module 2 circuit poor electrical connection

How to Fix the DTC P1FFE Saturn?

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 P1FFE Saturn 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 P1FFE Saturn code?

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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 P1FFE Saturn Code

1. What are the common symptoms of OBDII code P1FFE in a Saturn Hybrid/EV model?

- Common symptoms include a warning light on the dashboard, a message indicating "Hybrid/EV Battery Pack Coolant Level Low," and potential performance issues with the hybrid system.

2. What can cause the OBDII code P1FFE to trigger in a Saturn Hybrid/EV vehicle?

- The code P1FFE typically triggers when the coolant level in the hybrid/EV battery pack is detected to be low, either due to a leak in the coolant system or improper maintenance.

3. How serious is the OBDII code P1FFE in a Saturn Hybrid/EV model?

- Ignoring the P1FFE code can lead to overheating of the battery pack, potential damage to the hybrid system, and decreased efficiency in the vehicle's performance. It is important to address this issue promptly.

4. What steps can I take to diagnose the cause of the OBDII code P1FFE in my Saturn Hybrid/EV?

- Start by visually inspecting the coolant reservoir and system for any signs of leaks. Check the coolant level and condition. Consider using a diagnostic tool to read additional codes and data related to the hybrid system.

5. How can I repair the OBDII code P1FFE in my Saturn Hybrid/EV?

- Repairing the P1FFE code often involves topping up the coolant to the recommended level, repairing any leaks in the coolant system, and resetting the fault code using a diagnostic tool. It is recommended to address the root cause of the low coolant level.

6. Can I continue driving my Saturn Hybrid/EV with the OBDII code P1FFE?

- It is not recommended to continue driving the vehicle with the P1FFE code present, as it can lead to potential damage to the hybrid system. It is best to address the issue promptly to ensure the vehicle's safety and performance.

7. How frequently should I check the coolant level in the hybrid/EV battery pack of my Saturn?

- It is advisable to check the coolant level as part of regular maintenance, following the manufacturer's recommendations. Additionally, monitor for any warning lights or messages related to the coolant level.

8. Is it possible to prevent the OBDII code P1FFE in my Saturn Hybrid/EV?

- Regularly inspecting the coolant system, ensuring proper maintenance, and promptly addressing any leaks can help prevent the occurrence of the P1FFE code in a Saturn Hybrid/EV vehicle.

9. Can a DIY enthusiast repair the OBDII code P1FFE in a Saturn Hybrid/EV?

- Depending on the level of expertise, DIY enthusiasts may be able to top up the coolant level and visually inspect for leaks. However, diagnosing and repairing complex issues related to the hybrid system may require professional assistance.

10. Are there any recalls or service bulletins related to the OBDII code P1FFE in Saturn Hybrid/EV models?

- It is advisable to check with the manufacturer or authorized service centers for any recalls or service bulletins related to the P1FFE code in Saturn Hybrid/EV models, as they may provide specific guidance or solutions for this issue.

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