B24B6
A/C Control Communication
B24B6 is an OBD-II diagnostic trouble code meaning: A/C Control Communication. Common causes: broken or damaged wiring harness, air conditioning control unit malfunction. Estimated repair cost: $56–222.
Symptoms
- Air conditioner doesn't work
- The air conditioner turns on/off spontaneously
- Check Engine Light Is On
Causes
- Broken or damaged wiring harness
- Air conditioning control unit malfunction
- Problems with contacts in connectors
- Software error in ECU
How to Fix
- Check the integrity of the wiring harness
- Inspect and clean connector contacts
- Scan the air conditioner control unit for errors
- If necessary, replace the control unit or update the software
Related codes
FAQ
What does the B24B6 code mean?
B24B6 is an OBD-II diagnostic trouble code that indicates: A/C Control Communication
What causes a B24B6 error code?
The most common causes of B24B6 include: Broken or damaged wiring harness; Air conditioning control unit malfunction; Problems with contacts in connectors; Software error in ECU.
How do I fix a B24B6 diagnostic trouble code?
To fix B24B6: Check the integrity of the wiring harness. Inspect and clean connector contacts. Scan the air conditioner control unit for errors. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with B24B6?
Limited driving only, diagnose soon
How much does it cost to fix B24B6?
The estimated repair cost for B24B6 is $56–222. Actual cost depends on your vehicle, location, and labor rates.
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