B2989
A/C Compressor Motor
B2989 is an OBD-II diagnostic trouble code meaning: A/C Compressor Motor. Common causes: compressor motor malfunction, open or short circuit in control circuit. Estimated repair cost: $167–556.
Symptoms
- Air conditioner doesn't work
- Lack of cold air
- Clicking noise when turning on the air conditioner
- Hot air from deflectors
Causes
- Compressor motor malfunction
- Open or short circuit in control circuit
- Compressor relay problems
- Malfunction of the climate control control unit
- Low refrigerant level
- Mechanical jamming of the compressor
How to Fix
- Check refrigerant level
- Diagnose the compressor control circuit
- Check relays and fuses
- Test the compressor motor
- Check the climate control control unit
- If necessary, replace the compressor
Related codes
FAQ
What does the B2989 code mean?
B2989 is an OBD-II diagnostic trouble code that indicates: A/C Compressor Motor
What causes a B2989 error code?
The most common causes of B2989 include: Compressor motor malfunction; Open or short circuit in control circuit; Compressor relay problems; Malfunction of the climate control control unit.
How do I fix a B2989 diagnostic trouble code?
To fix B2989: Check refrigerant level. Diagnose the compressor control circuit. Check relays and fuses. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with B2989?
Yes, but get it checked soon
How much does it cost to fix B2989?
The estimated repair cost for B2989 is $167–556. Actual cost depends on your vehicle, location, and labor rates.
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