AutoCodes – Generic – P1FCC

P1FCC Code - Hybrid/EV Battery Interface Control Module 8 Cell Balancing Circuit

Quick Answer

To maintain a similar state of charge on the cell groups, the hybrid/EV powertrain control module 2 looks at the cell group voltages and determines which cell groups need energy removed in order to maintain the battery groups at a similar state of charge. Common causes include Faulty Hybrid/EV Battery Interface Control Module, Hybrid/EV Battery Interface Control Module harness is open or shorted, Hybrid/EV Battery Interface Control Module 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
P1FCC indicates Hybrid/EV Battery Interface Control Module 8 Cell Balancing Circuit.
Common causes
Common causes include Faulty Hybrid/EV Battery Interface Control Module, Hybrid/EV Battery Interface Control Module harness is open or shorted, Hybrid/EV Battery Interface Control Module 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.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 1,153
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Apr 27, 2020
πŸ’¬ Need more help? Ask Coddy for instant answers β€” it's free!

Code P1FCC Description

To maintain a similar state of charge on the cell groups, the hybrid/EV powertrain control module 2 looks at the cell group voltages and determines which cell groups need energy removed in order to maintain the battery groups at a similar state of charge. This is known as cell balancing. There is a transistor switched resistor wired in parallel with the cell group internal to the hybrid/EV battery interface control module portion of the battery energy control module. The hybrid/EV powertrain control module 2 sends a command to the hybrid/EV battery energy control module to begin cell balancing.
OBDII Code P1FCC - Hybrid/EV Battery Interface Control Module 8 Cell Balancing Circuit - AutoCodes.com
P1FCC Code - Hybrid/EV Battery Interface Control Module 8 Cell Balancing Circuit

What are the Possible Causes of the DTC P1FCC?

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

How to Fix the DTC P1FCC?

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 P1FCC 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 P1FCC code?

Need more information on how to fix the P1FCC code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P1FCC code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

  • P1FCC Buick β€” Hybrid/EV Battery Interface Control Module 8 Cell Balancing Circuit
  • P1FCC Cadillac β€” Hybrid/EV Battery Interface Control Module 8 Cell Balancing Circuit
  • P1FCC Chevrolet β€” Hybrid/EV Battery Interface Control Module 8 Cell Balancing Circuit
  • P1FCC GMC β€” Hybrid/EV Battery Interface Control Module 8 Cell Balancing Circuit
  • P1FCC Saturn β€” Hybrid/EV Battery Interface Control Module 8 Cell Balancing Circuit
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 P1FCC Code

1. What does the OBDII code P1FCC mean?

P1FCC indicates an issue with the hybrid or EV battery interface control module, specifically related to the cell balancing circuit for module 8.

2. What are the common symptoms of a P1FCC code?

Symptoms may include a dashboard warning light, reduced vehicle performance, poor battery charging or discharging behavior, and decreased fuel or energy efficiency.

3. What causes the P1FCC code to appear?

Common causes include a malfunctioning battery control module, wiring or connector issues, degraded or imbalanced battery cells, or software faults in the system.

4. Can I drive my vehicle with a P1FCC code?

Driving with a P1FCC code is possible but not recommended, as it may lead to reduced performance or further damage to the hybrid/EV battery system.

5. How is the P1FCC code diagnosed?

A technician will use a scan tool to read the code, inspect the battery control module and wiring, check battery cell voltages, and ensure proper module communication.

6. Can a P1FCC code be fixed without replacing the battery?

Yes, if the issue is related to the control module, wiring, or software, it can often be repaired without replacing the entire battery pack.

7. How much does it cost to repair a P1FCC code?

The cost can vary widely depending on the root cause. Control module repairs or reprogramming may cost a few hundred dollars, while replacing battery components could be more expensive.

8. Does the P1FCC code mean my battery is failing?

Not necessarily. The code often points to issues with the balancing circuit or control module rather than the battery itself, but a thorough diagnosis is needed.

9. Can I reset the P1FCC code without fixing the problem?

While clearing the code may temporarily turn off the warning light, the issue will likely return if the root cause is not addressed.

10. How can I prevent the P1FCC code from recurring?

Regular maintenance of the hybrid/EV system, software updates, and prompt attention to any warning lights can help prevent this code from recurring.

Discuss the causes and fixes for P1FCC OBDII Code

Code P1FCC comments

No comments found for this page.

AutoCodes App

Fix Your Car Smarter

Try the New AutoCodes App!

Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.

AutoCodes App on Google Play