Acura B1605: Keyless Access Control Unit Lost Communication With MICU (MICU Message)

Is your scanner showing Acura B1605?
No worries. We'll show you what it means and how to deal with it.

Presented by
Randy Worner

Acura B1605: Keyless Access Control Unit Lost Communication With MICU (MICU Message)

OVERVIEW
Severity
:
Medium
DIY Difficulty Level
:
Intermediate
Repair Cost
:
$75-$200
Can I Still Drive?
:
Yes (Short-term only)

What Does The Acura B1605 Code Mean?

This code indicates Poor communication between the keyless access control unit and MICU.

NOTE:

  • If DTCs B1055, B1157, B1255, B1806, B2107, and B2155 are also perform the MICU input test.
  • 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 B1605 Code?

Most common cause: Faulty keyless access 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
>>> Acura Keyless Entry Control Module Unit

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

Reference Sources

Acura B1605, DTCDECODE.

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