Electric Compressor Low Voltage System
Table of contents
B27B4 NISSAN Possible Causes
- Faulty Electric Compressor
- Electric Compressor harness is open or shorted
- Electric Compressor circuit poor electrical connection
- Faulty A/C Relay System
How do I fix code B27B4 NISSAN?
Check the “Possible Causes” listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector’s pins.
Cost of diagnosing the B27B4 NISSAN code
The cost of diagnosing the B27B4 NISSAN code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle’s make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.
Possible Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
B27B4 NISSAN Description
The Diagnostic Trouble Code (DTC) sets when the voltage of battery power supply input to electric compressor is 9 V or less or 17 V or more.