Engine-Codes - Nissan - B278C Nissan

B278C Nissan Code - Electric Compressor Communication Error

- Code Popularity: 1,766 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
Table of contents
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What are the Possible Causes of the DTC B278C Nissan?

NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes.
  • Faulty Electric Compressor
  • Electric Compressor harness is open or shorted
  • Electric Compressor circuit poor electrical connection
  • Faulty A/C Auto Amplifier
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How to Fix the DTC B278C 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 pins.

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What is the Cost to Diagnose the Code?

Labor: 1.0

The cost to diagnose the B278C Nissan code is 1.0 hour of labor. The diagnosis time and labor rates at auto repair shops vary depending on the location, make and model of the vehicle, and even the engine type. Most auto repair shops charge between $75 and $150 per hour.

What are Code Possible Symptoms?

  • Engine Light ON (or Service Engine Soon Warning Light)

What Does the B278C Nissan Code Mean?

The Diagnostic Trouble Code (DTC) sets when the Electric Compressor cannot receive the signal sent from the A/C Auto Amplifier.

B278C Nissan Code - Electric Compressor Communication Error

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