Ford B103B: Thermoelectric Driver Overcurrent Low

Is your scanner showing Ford B103B?
No worries. We'll show you what it means and how to deal with it.

Presented by
Randy Worner

Ford B103B: Thermoelectric Driver Overcurrent Low

OVERVIEW
Severity
:
Low
DIY Difficulty Level
:
Intermediate
Repair Cost
:
$70-$350
Can I Still Drive?
:
Yes (Short-term only)

What Does The Ford B103B Code Mean?

If SCME outputs to the driver seat backrest or cushion blower motor are shorted to ground or a blower motor resistance of less than 0.9 ohm is sensed, the SCME shuts down the driver seat system and sets this DTC.

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
>>> Ford Driver Seat Backrest
>>> OEM NEW 09-19 Ford Heated Cooled Seat Cushion Blower Motor Climate Module TED

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

Reference Sources

B103B Pinpoint Test – 2008 Ford Truck Expedition 2WD V8-5.4L 

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