[SOLVED] P15C9 Code: Fixing Electric A/C Compressor Status Message Counter Issue

Are you wondering what the automobile fault code P15C9 means? Well, when you see the Engine Light ON or the Service Engine Soon Warning Light, it’s a sign that something is not right. In this case, the fault code P15C9 indicates a problem with the Electric AC Compressor.

The cause could be a faulty compressor, an open or shorted harness, or a poor electrical connection in the compressor circuit. To fix this issue, you should visually inspect the wiring harness and connectors for any damage.

Look out for broken, bent, pushed out, or corroded pins in the connectors.

It’s important to address this problem promptly as it can affect the performance of your vehicle’s air conditioning system. The repair time for this issue is estimated to be around 1.0. So, make sure to get it checked and fixed by a professional to ensure your comfort on the road.

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

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When the engine light is on or the service engine soon warning light is illuminated, it could be a sign of the p15c9 fault code.

  • The symptoms of the automobile fault code P15C9 include the Engine Light being ON or the Service Engine Soon Warning Light being illuminated.

The automobile fault code p15c9 can be caused by a faulty Electric AC Compressor, an open or shorted Electric AC Compressor harness, or a poor electrical connection in the Electric AC Compressor circuit.

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  • The fault code P15C9 can be caused by a faulty Electric A/C Compressor, an open or shorted Electric A/C Compressor harness, or a poor electrical connection in the Electric A/C Compressor circuit.

To fix the automobile fault code p15c9, start by visually inspecting the wiring harness, connectors, and components for any damage or corrosion.

  • To fix the automobile fault code P15C9, follow these steps: 1.
  • Check the possible causes mentioned above.
  • 2.
  • Visually inspect the wiring harness and connectors related to the fault code.
  • 3.
  • Look for any damaged components.
  • 4.
  • Check for broken, bent, pushed out, or corroded pins in the connectors.
  • The estimated repair time for this fix is 1.0 hour.

The factors influencing the cost of diagnosing and fixing the automobile fault code P15C9 are the estimated repair time of 1.0 hour and the typical hourly rate charged by auto repair shops, which ranges from $75 to $150.

The P15C9 fault code is related to the hybrid powertrain control module 2 and the AC compressor in an automobile. This code is triggered when the hybrid powertrain control module 2 does not receive the expected serial data messages from the AC compressor.

Specifically, if the message counter from the AC compressor does not increase according to the current state commanded, the fault code is set. In simpler terms, this fault code indicates a problem with the communication between the hybrid powertrain control module 2 and the AC compressor.

The module expects to receive certain messages from the compressor, but if the message counter does not increment as expected, it triggers the P15C9 code.

This issue can affect the proper functioning of the electric AC compressor in the vehicle.

What are the possible causes for the automobile fault code P15C9?

If you see the engine light or service engine soon warning light on, the fault code P15C9 could be the culprit. This code is often caused by a faulty electric A/C compressor, an open or shorted electric A/C compressor harness, or a poor electrical connection in the electric A/C compressor circuit. To fix this issue, visually inspect the wiring harness and connectors, checking for any damage or broken, bent, pushed out, or corroded pins. Don’t forget to also check the possible causes listed above.

How can I visually inspect the wiring harness and connectors to fix the P15C9 fault code?

To fix the P15C9 fault code, start by visually inspecting the wiring harness and connectors. Look for any damaged components and check if there are any broken, bent, pushed out, or corroded pins in the connectors. This can help identify any issues with the Electric A/C Compressor or poor electrical connections. Don’t forget to check the “Possible Causes” listed above for further troubleshooting.

What should I look for when checking for damaged components and connector’s pins to resolve the P15C9 fault code?

When resolving the P15C9 fault code, start by visually inspecting the wiring harness and connectors. Look for any damaged components and check for broken, bent, pushed out, or corroded connector’s pins. These issues can cause a poor electrical connection or an open/short circuit in the Electric A/C Compressor system, which is a common cause of the fault code. By thoroughly checking these areas, you can identify and address any issues to fix the problem.

p15c9 error fault code explained

To fix the P15C9 fault code, start by visually inspecting the wiring harness and connectors related to the electric AC compressor.

Look for any damage or signs of corrosion.

Check for broken, bent, pushed out, or corroded connector pins.

This will help identify and resolve any issues with the electric AC compressor circuit.

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