AutoCodes – Chevrolet – P0C9F Chevrolet

P0C9F Chevrolet Code - 14V Power Module Output Current Sensor Circuit High Current

Quick Answer

The generator control module also called the starter generator control module is comprised of the following three control modules; the hybrid powertrain control module, 14 volt power module and the drive motor control module. Common causes include Faulty Starter Generator Control Module, Starter Generator Control Module harness is open or shorted, Starter Generator 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: P0C9F Chevrolet indicates 14V Power Module Output Current Sensor Circuit High Current.
Common causes: Common causes include Faulty Starter Generator Control Module, Starter Generator Control Module harness is open or shorted, Starter Generator 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.

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Code Popularity 602

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

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Table of contents Created and updated by William Orellana on Nov 21, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P0C9F Chevrolet Description

The generator control module also called the starter generator control module is comprised of the following three control modules; the hybrid powertrain control module, 14 volt power module and the drive motor control module. These three control modules are non serviceable and are part of the generator control module.
The 14V power module has 2 current sensors, one for input and one for output current measurements. This diagnostic checks the output current sensor. These current sensors are internal to the 14V power module and are not serviced separately from the generator control module.

OBDII Code P0C9F Chevrolet - 14V Power Module Output Current Sensor Circuit High Current - AutoCodes.com — P0C9F Chevrolet Code - 14V Power Module Output Current Sensor Circuit High Current

What does this mean?

What are the Possible Causes of the DTC P0C9F Chevrolet?

Faulty Starter Generator Control Module
Starter Generator Control Module harness is open or shorted
Starter Generator Control Module circuit poor electrical connection

How to Fix the DTC P0C9F 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 P0C9F 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 P0C9F Chevrolet Code

1. What does the OBDII code P0C9F mean on a Chevrolet?

The P0C9F code indicates a fault in the 14V Power Module Output Current Sensor Circuit, specifically detecting a high current condition.

2. What are the symptoms of the P0C9F code on a Chevrolet?

Symptoms may include illuminated warning lights like the check engine light or battery warning light, reduced charging performance, electrical issues, or difficulty starting the vehicle.

3. What causes the P0C9F code to appear on a Chevrolet?

Possible causes include a malfunctioning 14V power module, damaged wiring or connectors in the current sensor circuit, a faulty current sensor, or excessive load on the vehicle's electrical system.

4. Can I drive my Chevrolet with the P0C9F code?

Driving with this code is not recommended, as it can lead to electrical system malfunctions, battery damage, or further strain on the power module.

5. How is the P0C9F code diagnosed on a Chevrolet?

A technician will use a scan tool to read the code, inspect the wiring and connectors, test the current sensor and power module, and measure the actual current output to identify the fault.

6. What repairs can fix the P0C9F code on a Chevrolet?

Repairs may include replacing the 14V power module, repairing or replacing damaged wiring or connectors, or replacing the output current sensor.

7. How much does it cost to fix the P0C9F code on a Chevrolet?

Repair costs can vary but typically range from $150 to $500, depending on whether the issue is with wiring, the sensor, or the power module itself.

8. Can a weak or failing battery trigger the P0C9F code?

Yes, a weak or failing battery can strain the 14V power module, potentially causing this code to appear.

9. Is the P0C9F code related to the alternator on a Chevrolet?

While the code is not directly related to the alternator, issues with the alternator or charging system can contribute to triggering this code.

10. How can I prevent the P0C9F code from occurring again?

Regularly inspect and maintain your vehicle's electrical system, ensure the battery is in good condition, and address any wiring or connector issues promptly.