AutoCodes – GMC – P1FFD GMC

P1FFD GMC 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 GMC 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 973

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 P1FFD GMC 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 GMC - Hybrid/EV Battery Pack Coolant Level Sensor Circuit High Voltage - AutoCodes.com — P1FFD GMC Code - Hybrid/EV Battery Pack Coolant Level Sensor Circuit High Voltage

What does this mean?

What are the Possible Causes of the DTC P1FFD GMC?

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 GMC?

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 GMC 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 P1FFD GMC 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 P1FFD GMC Code

1. What are the common symptoms of OBDII code P1FFD GMC related to Hybrid/EV Battery Pack Coolant Level Sensor Circuit High Voltage?

- Common symptoms include the illumination of the check engine light, reduced hybrid/EV performance, and potential overheating of the battery pack.

2. What can cause the Hybrid/EV Battery Pack Coolant Level Sensor Circuit High Voltage code P1FFD GMC to trigger?

- This code can be triggered by a faulty coolant level sensor, a malfunctioning coolant pump, low coolant level, or issues with the coolant level sensor circuit.

3. How serious is the P1FFD GMC code related to Hybrid/EV Battery Pack Coolant Level Sensor Circuit High Voltage?

- Ignoring this code can lead to potential damage to the hybrid/EV battery pack, reduced vehicle efficiency, and even safety hazards due to overheating.

4. Can I continue driving my vehicle with the P1FFD GMC code indicating an issue with the Hybrid/EV Battery Pack Coolant Level Sensor Circuit High Voltage?

- It is not recommended to drive your vehicle with this code active, as it can lead to further damage and potentially unsafe conditions.

5. What are some DIY repair tips for addressing the P1FFD GMC code associated with the Hybrid/EV Battery Pack Coolant Level Sensor Circuit High Voltage?

- DIY repair tips include checking the coolant level, inspecting the coolant level sensor and its wiring for any visible issues, and ensuring proper coolant circulation within the battery pack.

6. How can I reset the OBDII code P1FFD GMC related to Hybrid/EV Battery Pack Coolant Level Sensor Circuit High Voltage?

- You can reset the code using an OBDII scanner or by disconnecting the vehicle's battery for a few minutes. However, it is crucial to identify and address the underlying issue causing the code to prevent it from reoccurring.

7. Is it necessary to take my vehicle to a dealership or mechanic for repairs related to the P1FFD GMC code linked to Hybrid/EV Battery Pack Coolant Level Sensor Circuit High Voltage?

- While some DIY repairs are possible, it is recommended to seek professional help, especially when dealing with complex electrical systems like those in hybrid/EV vehicles.

8. What are the potential long-term consequences of ignoring the P1FFD GMC code indicating a problem with the Hybrid/EV Battery Pack Coolant Level Sensor Circuit High Voltage?

- Ignoring this code can lead to battery pack damage, reduced hybrid/EV performance, increased repair costs, and safety risks due to potential overheating issues.

9. Can a malfunctioning Hybrid/EV Battery Pack Coolant Level Sensor Circuit High Voltage impact the overall drivability of the vehicle?

- Yes, a malfunctioning sensor can impact the drivability of the vehicle by causing performance issues, reduced efficiency, and potential safety concerns related to the battery pack's temperature.

10. Are there any preventive measures that can help avoid the occurrence of the P1FFD GMC code related to the Hybrid/EV Battery Pack Coolant Level Sensor Circuit High Voltage?

- Regularly checking the coolant level, maintaining proper coolant levels, and addressing any coolant system issues promptly can help prevent triggering this code and ensure the health of the hybrid/EV battery pack.