B3A1B
A/C System Pressure - Too High
Severity
⚠️ MediumCan you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–167 (est.)
Symptoms
- Air conditioner doesn't work
- Noise from under the hood
- Compressor overheating
Causes
- Recharging refrigerant
- Pressure sensor malfunction
- Clogged air conditioner circuit
- Condenser fan malfunction
How to Fix
- Check system pressure
- Check pressure sensor
- Clean the air conditioner circuit
- Replace faulty components
Related codes
Error B3A1B by Vehicle Brand
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