AutoCodes – Chevrolet – P1FFD Chevrolet

P1FFD Chevrolet Code - Hybrid/EV Battery Pack Coolant Level Sensor Circuit High 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
P1FFD Chevrolet indicates Hybrid/EV Battery Pack Coolant Level Sensor Circuit High 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 1,808
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 P1FFD Chevrolet 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 P1FFD Chevrolet - Hybrid/EV Battery Pack Coolant Level Sensor Circuit High Voltage - AutoCodes.com
P1FFD Chevrolet Code - Hybrid/EV Battery Pack Coolant Level Sensor Circuit High Voltage

What are the Possible Causes of the DTC P1FFD Chevrolet?

  • 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 P1FFD Chevrolet?

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 P1FFD Chevrolet 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 P1FFD Chevrolet Code

1. What are the common symptoms of OBDII code P1FFD in a Chevrolet Hybrid/EV vehicle?

The common symptoms may include the check engine light illuminating, reduced hybrid/EV system performance, and potential issues with the battery pack coolant system.

2. What could cause the OBDII code P1FFD in a Chevrolet Hybrid/EV vehicle?

The code P1FFD typically indicates a high voltage condition in the Hybrid/EV battery pack coolant level sensor circuit. This could be caused by a faulty sensor, wiring issues, or problems with the coolant level in the battery pack.

3. How can I diagnose the cause of OBDII code P1FFD in my Chevrolet Hybrid/EV vehicle?

Diagnosing the issue may require using a scan tool to retrieve the specific fault codes and conducting a thorough inspection of the battery pack coolant level sensor, its wiring, and the coolant level itself. Consulting the vehicle's service manual is recommended.

4. What are the potential risks of driving with OBDII code P1FFD in a Chevrolet Hybrid/EV vehicle?

Driving with this code may lead to further damage to the Hybrid/EV system components or potential overheating of the battery pack. It is advisable to address the issue promptly to prevent any serious issues.

5. Can I continue driving my Chevrolet Hybrid/EV vehicle with OBDII code P1FFD until I can have it repaired?

It is not recommended to continue driving the vehicle with this code present, as it may affect the performance and safety of the Hybrid/EV system. It is best to have the issue diagnosed and repaired as soon as possible.

6. How can I reset the OBDII code P1FFD in my Chevrolet Hybrid/EV vehicle?

Resetting the code can be done using an OBDII scanner or by disconnecting the vehicle's battery for a few minutes. However, it is important to address the underlying issue causing the code to prevent it from recurring.

7. Is it possible to repair OBDII code P1FFD in a Chevrolet Hybrid/EV vehicle myself?

While some DIY enthusiasts may attempt to diagnose and repair this code, dealing with high voltage systems like those in Hybrid/EV vehicles can be dangerous. It is recommended to seek professional help or take the vehicle to a qualified technician for proper diagnosis and repair.

8. How much does it typically cost to repair OBDII code P1FFD in a Chevrolet Hybrid/EV vehicle?

The cost of repairing this code can vary depending on the exact cause of the issue. It may involve replacing the coolant level sensor, repairing wiring, or addressing coolant system problems. Costs can range from a few hundred to over a thousand dollars.

9. Will OBDII code P1FFD cause my Chevrolet Hybrid/EV vehicle to stop running?

While the vehicle may still run with this code present, the Hybrid/EV system's performance may be affected, and there could be potential risks of further damage. It is advisable to address the issue promptly to prevent any major problems.

10. How often should I check the coolant level in the battery pack of my Chevrolet Hybrid/EV vehicle to prevent OBDII code P1FFD?

It is recommended to follow the manufacturer's maintenance schedule for checking and maintaining the coolant level in the battery pack. Regular inspections can help prevent issues like code P1FFD from occurring.

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