Handset Microphone General Electrical Failure
Table of contents
B116A MERCURY Possible Causes
- Faulty Handset Microphone
- Handset Microphone harness is open or shorted
- Handset Microphone circuit poor electrical connection
- Faulty Accessory Protocol Interface Module (APIM)
How do I fix code B116A MERCURY?
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 B116A MERCURY code
The cost of diagnosing the B116A MERCURY 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)
B116A MERCURY Description
The Accessory Protocol Interface Module (APIM) monitors the Handset Microphone. The APIM sets the OBDII code when it detects a short to voltage, short to ground or an open on the microphone circuits.