Chrysler B143C: Microphone 1 Circuit High

Is your scanner showing Chrysler B143C?
No worries. We'll show you what it means and how to deal with it.

Presented by
Randy Worner

Chrysler B143C: Microphone 1 Circuit High

OVERVIEW
Severity
:
Low
DIY Difficulty Level
:
Intermediate
Repair Cost
:
$50-$100
Can I Still Drive?
:
Yes (Short-term only)

What Does The Chrysler B143C Code Mean?

The Hands Free Module detects a fault in any of the microphone circuits.

What Are The Potential Causes Of The Chrysler B143C Code?

  • (X712) Microphone 1 in (+) circuit open
  • (X712) Microphone 1 in (+) circuits shorted to voltage
  • Inside rearview mirror
  • Hands free module

Recommended Parts

Below are some recommended auto parts to help you address the trouble code affecting your vehicle and get it running smoothly again:

>>> Mopar Genuine Module 68222278AA
>>> Pilot Automotive MI-004 10" Day/Night Mirror, Rear View Mirror
>>> WORKPRO 582-piece Crimp Terminals, Wire Connectors, Heat Shrink Tube, Electrical Repair Kit

Note: During the purchasing process, please check carefully whether the part you want to buy fits your car!

Reference Sources

Chrysler B143C, DTCDECODE.

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