P1FFC Buick 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 Buick 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.
Code P1FFC Buick Description
What are the Possible Causes of the DTC P1FFC Buick?
- 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 Buick?
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 Buick 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 P1FFC Buick Code
1. What does the OBDII code P1FFC mean on a Buick?
The P1FFC code indicates a low voltage issue in the Hybrid/EV battery pack coolant level sensor circuit, which monitors the coolant level in the battery cooling system.
2. What are the common symptoms of a P1FFC code?
Symptoms may include an illuminated check engine light, reduced hybrid or EV performance, overheating of the battery pack, or warning messages related to the cooling system.
3. What causes the P1FFC code to appear on a Buick?
Common causes include a faulty coolant level sensor, damaged or corroded wiring, a low coolant level, or issues with the sensor’s electrical connector.
4. Can driving with a P1FFC code damage my vehicle?
Yes, continuing to drive with this code may lead to inadequate cooling of the hybrid/EV battery pack, potentially causing overheating and long-term damage.
5. How do I diagnose a P1FFC code on a Buick?
Diagnosis involves checking the coolant level, inspecting the coolant level sensor and its wiring for damage, and testing the circuit voltage using a multimeter.
6. How can I fix the P1FFC code issue?
Repairs may include refilling the coolant, replacing a faulty coolant level sensor, repairing or replacing damaged wiring, or cleaning corroded connectors.
7. Is a low coolant level always the cause of the P1FFC code?
No, while a low coolant level is a common cause, the issue may also stem from electrical problems in the sensor circuit or a defective sensor.
8. How much does it cost to fix a P1FFC code on a Buick?
The repair cost can vary widely, ranging from $50 for a simple coolant refill to $200–$500 if sensor replacement or wiring repairs are needed.
9. Can I clear the P1FFC code without fixing the issue?
Clearing the code without resolving the underlying problem will likely result in the code returning and could risk further damage to the vehicle.
10. How often should I check the coolant level in my Buick’s hybrid/EV battery cooling system?
It’s a good practice to check the coolant level during regular maintenance or whenever warning lights related to the cooling system appear.
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