P15C6
Electric A/C Compressor Speed Request Signal Message Counter Incorrect
P15C6 is an OBD-II diagnostic trouble code meaning: Electric A/C Compressor Speed Request Signal Message Counter Incorrect. Common causes: electrical air conditioning compressor malfunction, problems in the wiring harness or connectors. Estimated repair cost: $56–278.
Symptoms
- Incorrect operation of the air conditioning system
- Complete shutdown of the air conditioner
- Check Engine Light Illuminates
- Increased noise from the compressor
- Unstable temperature in the cabin
Causes
- Electrical air conditioning compressor malfunction
- Problems in the wiring harness or connectors
- Air conditioning control module malfunction
- Compressor power problems
- Software error in control module
How to Fix
- Check the condition of the wiring harness and connectors
- Diagnose an electric air conditioning compressor
- Check the power supply and ground of the compressor
- Scan the air conditioner control module for errors
- If necessary, replace the compressor or control module
Related codes
FAQ
What does the P15C6 code mean?
P15C6 is an OBD-II diagnostic trouble code that indicates: Electric A/C Compressor Speed Request Signal Message Counter Incorrect
What causes a P15C6 error code?
The most common causes of P15C6 include: Electrical air conditioning compressor malfunction; Problems in the wiring harness or connectors; Air conditioning control module malfunction; Compressor power problems.
How do I fix a P15C6 diagnostic trouble code?
To fix P15C6: Check the condition of the wiring harness and connectors. Diagnose an electric air conditioning compressor. Check the power supply and ground of the compressor. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P15C6?
Yes, but get it checked soon
How much does it cost to fix P15C6?
The estimated repair cost for P15C6 is $56–278. Actual cost depends on your vehicle, location, and labor rates.
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