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P0C9E Cadillac Code - 14V Power Module Output Current Sensor Circuit Low 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
P0C9E Cadillac indicates 14V Power Module Output Current Sensor Circuit Low 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.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 687
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Nov 21, 2019
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Code P0C9E Cadillac 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 P0C9E Cadillac - 14V Power Module Output Current Sensor Circuit Low Current - AutoCodes.com
P0C9E Cadillac Code - 14V Power Module Output Current Sensor Circuit Low Current

What are the Possible Causes of the DTC P0C9E Cadillac?

  • 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 P0C9E Cadillac?

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 P0C9E Cadillac 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 P0C9E Cadillac code?

Need more information on how to fix the P0C9E Cadillac code? Get Access to Factory Service Manuals

Need Help with the 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 P0C9E Cadillac Code

1. What are the common symptoms of OBDII code P0C9E in a Cadillac related to the 14V Power Module Output Current Sensor Circuit Low Current?

- Common symptoms include reduced engine power, poor fuel efficiency, and potentially a check engine light illuminated on the dashboard.

2. What can cause the OBDII code P0C9E to trigger in a Cadillac?

- The code P0C9E in a Cadillac is typically triggered by issues such as a faulty power module, damaged wiring in the current sensor circuit, or a malfunctioning current sensor itself.

3. How serious is the OBDII code P0C9E related to the 14V Power Module Output Current Sensor Circuit Low Current in a Cadillac?

- This code should be addressed promptly as it can lead to drivability issues and potential damage to other engine components if left unresolved.

4. Can I still drive my Cadillac with the OBDII code P0C9E present?

- It is not recommended to continue driving the vehicle with the code P0C9E active, as it may result in reduced engine performance and could lead to further complications.

5. How do I diagnose and repair the OBDII code P0C9E in my Cadillac?

- Proper diagnosis typically involves inspecting the power module, checking the wiring harness for damage, and testing the current sensor. Repairs may involve replacing the faulty component or repairing the wiring as needed.

6. Will resetting the OBDII code P0C9E in my Cadillac make it go away permanently?

- Simply resetting the code may temporarily clear the check engine light, but if the underlying issue causing the code is not addressed, it is likely to return.

7. Can a DIY enthusiast fix the OBDII code P0C9E issue in a Cadillac?

- Depending on your skill level and access to tools, some DIY enthusiasts may be able to diagnose and repair the issue related to code P0C9E. However, it is recommended to seek professional help for a more accurate diagnosis and repair.

8. What is the typical cost to repair the OBDII code P0C9E in a Cadillac at a dealership or repair shop?

- The cost of repairing the OBDII code P0C9E in a Cadillac can vary depending on the exact cause of the issue, but it may range from a couple of hundred dollars to over a thousand dollars, including parts and labor.

9. Are there any preventive measures to avoid encountering the OBDII code P0C9E in a Cadillac?

- Regular maintenance, such as checking the electrical components and sensors, can help prevent issues that may trigger the OBDII code P0C9E in a Cadillac.

10. How long does it typically take to repair the OBDII code P0C9E related to the 14V Power Module Output Current Sensor Circuit Low Current in a Cadillac?

- The repair time can vary depending on the exact cause and complexity of the issue. In general, it may take a few hours to a day to diagnose and repair the problem associated with code P0C9E in a Cadillac.

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