P0EA9
A/C Compressor Motor Voltage Sensor B Circuit Performance
P0EA9 is an OBD-II diagnostic trouble code meaning: A/C Compressor Motor Voltage Sensor B Circuit Performance. Common causes: open or short circuit in the sensor circuit, poor contact in connectors. Estimated repair cost: $17–56.
Symptoms
- Air conditioner doesn't work
- Air conditioner malfunction
- Check Engine light comes on
- Increased noise from the compressor
- Reduced cooling efficiency
Causes
- Open or short circuit in the sensor circuit
- Poor contact in connectors
- Voltage sensor fault
- Problems with the compressor control module
- Contact corrosion
How to Fix
- Check the integrity of wiring and connectors
- Test the voltage sensor
- Check the operation of the compressor control module
- Replace faulty sensor or wiring
- Clean contacts from corrosion
Related codes
Error P0EA9 by Vehicle Brand
FAQ
What does the P0EA9 code mean?
P0EA9 is an OBD-II diagnostic trouble code that indicates: A/C Compressor Motor Voltage Sensor B Circuit Performance
What causes a P0EA9 error code?
The most common causes of P0EA9 include: Open or short circuit in the sensor circuit; Poor contact in connectors; Voltage sensor fault; Problems with the compressor control module.
How do I fix a P0EA9 diagnostic trouble code?
To fix P0EA9: Check the integrity of wiring and connectors. Test the voltage sensor. Check the operation of the compressor control module. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P0EA9?
Yes, but get it checked soon
How much does it cost to fix P0EA9?
The estimated repair cost for P0EA9 is $17–56. Actual cost depends on your vehicle, location, and labor rates.
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