AutoCodes – Saturn – P1FFC Saturn

P1FFC Saturn Code - Hybrid/EV Battery Pack Coolant Level Sensor Circuit Low Voltage

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: P1FFC Saturn indicates Hybrid/EV Battery Pack Coolant Level Sensor Circuit Low Voltage.
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 855

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Apr 27, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P1FFC 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 P1FFC Saturn - Hybrid/EV Battery Pack Coolant Level Sensor Circuit Low Voltage - AutoCodes.com — P1FFC Saturn Code - Hybrid/EV Battery Pack Coolant Level Sensor Circuit Low Voltage

What does this mean?

What are the Possible Causes of the DTC P1FFC 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 P1FFC 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 P1FFC 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.

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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 P1FFC Saturn Code

1. What does OBDII code P1FFC mean on a Saturn?

P1FFC indicates a low voltage issue in the Hybrid/EV battery pack coolant level sensor circuit, which monitors the coolant level for the battery system.

2. What are the common symptoms of code P1FFC on a Saturn?

Symptoms may include a check engine light, reduced hybrid/EV performance, overheating warnings, or limited power mode activation.

3. What causes the P1FFC code to appear on a Saturn?

The code can be triggered by a faulty coolant level sensor, damaged wiring or connectors, low coolant levels, or a malfunctioning control module.

4. How do I fix the P1FFC code on a Saturn?

Start by checking the battery coolant level and refilling if necessary. If the issue persists, inspect the sensor, wiring, and connectors for damage, or replace the sensor if needed.

5. Can driving with the P1FFC code damage my Saturn?

Yes, ignoring this code can lead to battery overheating or reduced efficiency, potentially causing long-term damage to the hybrid/EV system.

6. How can I check if the battery coolant level sensor is faulty?

Test the sensor with a multimeter for proper voltage and resistance. If readings are outside the manufacturerâ€™s specifications, the sensor may be defective.

7. Can low battery coolant alone cause the P1FFC code?

Yes, insufficient battery coolant can trigger the code, as the sensor detects an abnormal level and signals the control module.

8. Is replacing the coolant level sensor expensive?

The cost depends on your vehicle model and labor rates but is generally moderate compared to other hybrid/EV repairs.

9. How do I prevent the P1FFC code from recurring?

Regularly check and maintain the battery coolant level, inspect sensor wiring, and address any leaks or electrical issues promptly.

10. Can a software update fix the P1FFC code on a Saturn?

In some cases, a control module software update from the manufacturer may resolve false error detections, but this is less common than hardware-related fixes.