Microphone Circuit
Table of contents
B2A04 SUBARU Possible Causes
- Faulty Microphone
- Microphone harness is open or shorted
- Microphone circuit poor electrical connection
- Faulty Data Communication Module (DCM)
How do I fix code B2A04 SUBARU?
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 B2A04 SUBARU code
The cost of diagnosing the B2A04 SUBARU 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)
B2A04 SUBARU Description
The Diagnostic Trouble Code (DTC) sets when the Microphone Circuit is not to factory specifications.