Acura B1776: Microphone Input/Output Short to Ground/Open

Is your scanner showing Acura B1776?
No worries. We'll show you what it means and how to deal with it.

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OBD Codex, Administrator

Acura B1776: Microphone Input/Output Short to Ground/Open

DIY Difficulty Level
Repair Cost
Can I Still Drive?
Yes (Short-term only)

What Does The Acura B1776 Code Mean?

This code indicates that the Microphone Input/Output is short to ground/open.

NOTE: If you are troubleshooting multiple DTCs, be sure to follow the instructions in B-CAN system diagnosis test mode A.

What Are The Potential Causes Of The Acura B1776 Code?

Below are some possible causes of this DTC:

  • “Short” to ground/open circuit
  • Faulty harness between the HandsFreeLinks control unit and the roof console
  • Faulty harness between the HandsFreeLink control unit and the Navigation Unit
  • Faulty HFL control unit
  • HandsFreeLink control unit

Recommended Parts

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

>>> Twippo 372Pcs Waterproof Wire Connectors Kit
>>> KAIWEETS Digital Multimeter

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

Reference Sources

Acura B1776, DTCDECODE.

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