Acura B1000: Communication Bus Line Error

Is your scanner showing Acura B1000?
No worries. We'll show you what it means and how to deal with it.

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OBD Codex, Administrator

Acura B1000: Communication Bus Line Error

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

What Does The Acura B1000 Code Mean?

This code indicates failure from the communication bus line.

Note: DTCs B1005, B1007, B1011, B1012, B1013, B1015 and B1032 may all be indicated.

What Are The Potential Causes Of The Acura B1000 Code?

Below are some possible causes of this DTC:

  • Intermittent failure in the communication bus line. Check for loose or poor connections, or worn/shorted wires
  • Poor battery condition and/or charging system
  • Short to power in B-CAN wire
  • Faulty MICU, replace the under-dash fuse/relay box

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 Under-dash Fuse/Relay Box

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

Reference Sources

Accessories & Equipment Multiplex Integrated Control System Service Manual for B1000 – 2004 Acura TSX, pages 38-39.

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