Infiniti B2128: UART Communication Line

Is your scanner showing Infiniti B2128?
No worries. We'll show you what it means and how to deal with it.

Presented by
Randy Worner

Infiniti B2128: UART Communication Line

OVERVIEW
Severity
:
Medium
DIY Difficulty Level
:
Advanced
Repair Cost
:
$50-$400
Can I Still Drive?
:
Yes (Short-term only)

What Does The Infiniti B2128 Code Mean?

The communication between driver seat control unit and automatic drive positioner control unit is interrupted for a period of time.

What Are The Potential Causes Of The Infiniti B2128 Code?

  • UART communication line
  • – UART communication line is open or shorted
  • Driver seat control unit
  • Automatic drive positioner 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:

>>> WORKPRO 582-piece Crimp Terminals, Wire Connectors, Heat Shrink Tube, Electrical Repair Kit
>>> 12V Auto Waterproof Fuse Relay Box Block Kit
>>> Power Seat Control Module

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

Reference Sources

INFINITI QX56 2010 Service Manual for B2128

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