[SOLVED] P1Fc4 Code: How To Fix Hybrid/Ev Battery Interface Circuit

The P1FC4 automobile fault code indicates a problem with the HybridEV Battery Interface Control Module, which can cause the engine light to turn on. This fault code can be caused by a faulty module, an open or shorted harness, or poor electrical connections.

It is important to address this issue promptly as it can affect the performance of the vehicle. The repair process involves visually inspecting the wiring harness and connectors, checking for damaged components, and looking for broken, bent, pushed out, or corroded connector pins.

The repair time for this issue is estimated to be around 1.0 hour.

To interpret the fault code, it is recommended to check the “Possible Causes” listed above.

Repair Importance Level10.0 (Out of 10)
Estimated Repair TimeApproximately 1.0 hour
Repair Difficulty Level10.0 (Out of 10)

If you notice the Engine Light ON or Service Engine Soon Warning Light, it could be a sign of p1fc4 fault code.

Here are the symptoms to look out for:

  • The P1FC4 fault code in automobiles can cause several symptoms, including the engine light turning on or the service engine soon warning light appearing.
  • Other symptoms may include reduced engine power, engine stalling, rough idling, decreased fuel efficiency, and difficulty starting the engine.
  • Additionally, the vehicle may experience transmission shifting issues, and the engine may emit unusual noises or vibrations.
  • It is important to address these symptoms promptly to prevent further damage to the vehicle.

P1FC4 fault code can be caused by issues with the HybridEV Battery Interface Control Module and its connections.

  • The automobile fault code P1FC4 can be caused by a faulty Hybrid/EV Battery Interface Control Module.
  • It can also be caused by an open or shorted Hybrid/EV Battery Interface Control Module harness.
  • Additionally, a poor electrical connection in the Hybrid/EV Battery Interface Control Module circuit can also trigger this fault code.

Below are some possible fixes for the automobile fault code p1fc4, including inspecting wiring harness and connectors for damage or corrosion.

  • To fix the automobile fault code p1fc4, first, check the possible causes listed above.
  • Then, visually inspect the related wiring harness and connectors.
  • Look for any damaged components and check for broken, bent, pushed out, or corroded connector’s pins.
  • This fix will take an estimated repair time of 1.0 hour.

The factors that influence the cost of fixing the automobile fault code P1FC4 are the estimated repair time and the hourly rate charged by the auto repair shop. The estimated repair time for this fault code is 1.0 hour. The hourly rate charged by most auto repair shops ranges between $75 and $150 per hour.

These factors will determine the total cost of fixing the P1FC4 fault code.

The P1FC4 code refers to a fault in the HybridEV Battery Interface Control Module 6 5 V Reference Circuit.

The hybrid battery contains 192 individual cells, which are electrically connected in series to form 3 distinct sections.

The battery energy control module monitors the voltage of the 96 battery cell groups and contains internal interface control modules that monitor specific cell groups.

When a fault condition is present, the battery energy control module communicates diagnostics and system status to the hybrid powertrain control module 2 through serial data.

What are the possible causes of the P1FC4 automobile fault code?

If you’re experiencing the P1FC4 fault code, your engine light may be on. This could be due to a faulty Hybrid/EV Battery Interface Control Module, an open or shorted harness, or poor electrical connection in the circuit. To fix this issue, you should visually inspect the wiring harness and connectors, check for damaged components, and look for broken, bent, pushed out, or corroded connector’s pins.

How can I fix the P1FC4 automobile fault code?

If you’re experiencing the P1FC4 fault code, which is indicated by the engine light or service engine soon warning light turning on, it’s likely due to a faulty Hybrid/EV Battery Interface Control Module or an open/shorted harness or poor electrical connection. To fix this issue, you should visually inspect the wiring harness and connectors, checking for any damaged components or broken, bent, pushed out, or corroded connector pins.

What should I visually inspect to troubleshoot the P1FC4 automobile fault code?

If you’re experiencing the P1FC4 fault code, you may notice that your engine light is on. This could be due to a faulty Hybrid/EV Battery Interface Control Module, an open or shorted harness, or poor electrical connection. To troubleshoot this issue, visually inspect the wiring harness and connectors for any damage or corrosion. Check for broken, bent, or pushed out pins on the connectors. Be sure to address any issues you find to fix the problem.

p1fc4 error fault code explained

If your engine light is on, it could be due to a faulty HybridEV Battery Interface Control Module or related wiring issues. Visually inspect the wiring harness and connectors for damage or corrosion.

Check for broken or bent pins.

Scroll to Top