Electric Compressor High Voltage
Table of contents
B278B NISSAN Possible Causes
- Faulty Electric Compressor
- Electric Compressor harness is open or shorted
- Electric Compressor circuit poor electrical connection
- Faulty Li-ion Battery
- Faulty Power Delivery Module (PDM)
How do I fix code B278B 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 B278B NISSAN code
The cost of diagnosing the B278B 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)
B278B NISSAN Description
The Diagnostic Trouble Code (DTC) sets when the high voltage system input voltage is more than 420 V.