AutoCodes – Chevrolet – P15FC Chevrolet

P15FC Chevrolet Code - Hybrid/EV Battery Contactor Status Message Counter Incorrect

Quick Answer

The Generator Control Module also called the Starter/Generator Control Module, is comprised of the following three control modules: the Hybrid/EV Powertrain Control Module 1, 14 V Power Module, and the Drive Motor Control Module. 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
P15FC Chevrolet indicates Hybrid/EV Battery Contactor Status Message Counter Incorrect.
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 372
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Jul 26, 2021
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Code P15FC Chevrolet Description

The Generator Control Module also called the Starter/Generator Control Module, is comprised of the following three control modules: the Hybrid/EV Powertrain Control Module 1, 14 V Power Module, and the Drive Motor Control Module. These three control modules are non-serviceable and are part of the Generator Control Module.
The Hybrid/EV Powertrain Control Module 2 is constantly sending the Hybrid/EV Powertrain Control Module 1 serial data messages containing contactor status data. These serial data messages are sent through circuits which are part of a communication network called the Controller Area Network (CAN).
The Hybrid/EV Powertrain Control Module 1 sets DTC P15FC when it detects a discrepancy in the structure of this message causing its integrity to be questioned.
An intermittent fault in the controller area network (CAN) circuits will cause Diagnostic Trouble Code (DTC) P15FC to set.
OBDII Code P15FC Chevrolet - Hybrid/EV Battery Contactor Status Message Counter Incorrect - AutoCodes.com
P15FC Chevrolet Code - Hybrid/EV Battery Contactor Status Message Counter Incorrect

What are the Possible Causes of the DTC P15FC 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
  • Faulty Engine Control Module (ECM)

How to Fix the DTC P15FC 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 P15FC 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 P15FC Chevrolet Code

1. What are the common symptoms of OBDII code P15FC in a Chevrolet hybrid/EV vehicle?

- Common symptoms include the check engine light turning on, reduced hybrid/EV system performance, and potential issues with starting the vehicle.

2. What does the OBDII code P15FC indicate in a Chevrolet hybrid/EV vehicle?

- The code P15FC indicates that the Hybrid/EV battery contactor status message counter is reporting incorrect data.

3. What are the possible causes of OBDII code P15FC in a Chevrolet hybrid/EV vehicle?

- Possible causes include a faulty hybrid/EV battery contactor, wiring issues, software glitches, or a communication error within the hybrid/EV system.

4. How can I diagnose the OBDII code P15FC in my Chevrolet hybrid/EV vehicle?

- Diagnosis involves using a diagnostic scan tool to read the code, checking the hybrid/EV system components, inspecting wiring for damage, and performing software updates if necessary.

5. What are the repair options for OBDII code P15FC in a Chevrolet hybrid/EV vehicle?

- Repair options may include replacing the faulty hybrid/EV battery contactor, repairing damaged wiring, updating software, or resetting the system to clear the code.

6. Can I drive my Chevrolet hybrid/EV vehicle with the OBDII code P15FC present?

- It is not recommended to drive the vehicle with the code present, as it may lead to further damage to the hybrid/EV system and potential safety concerns.

7. How much does it cost to repair OBDII code P15FC in a Chevrolet hybrid/EV vehicle?

- The cost of repair can vary depending on the exact cause of the code, but it may range from a few hundred to over a thousand dollars, including parts and labor.

8. Is OBDII code P15FC a common issue in Chevrolet hybrid/EV vehicles?

- While not extremely common, OBDII code P15FC can occur in Chevrolet hybrid/EV vehicles, especially as they age or if there are underlying electrical issues.

9. Can I reset the OBDII code P15FC in my Chevrolet hybrid/EV vehicle on my own?

- You can attempt to clear the code with a diagnostic scan tool, but it is recommended to diagnose and repair the underlying issue to prevent the code from reoccurring.

10. Will OBDII code P15FC cause the hybrid/EV system to completely fail in my Chevrolet vehicle?

- While it is possible for the code to lead to system failure if left unresolved, prompt diagnosis and repair can prevent further complications and ensure the proper functioning of the hybrid/EV system.

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