Ford B2431: Transponder Programming Failed

Is your scanner showing Ford B2431?
No worries. We'll show you what it means and how to deal with it.

Presented by
Randy Worner

Ford B2431: Transponder Programming Failed

OVERVIEW
Severity
:
Medium
DIY Difficulty Level
:
Intermediate
Repair Cost
:
$60-$90
Can I Still Drive?
:
Yes (Short-term only)

What Does The Ford B2431 Code Mean?

The ignition key was not programmed.

Recommended Parts

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

>>> Ignition Immobilizer Module. Transceiver.
>>> NEW Ford PATS Transponder Chip Key Blank - USER PROGRAMMABLE

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

Reference Sources

PATS Job Aid Document – Motorcraft Service, B2431, page 2.

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