Possible Causes

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Incorrect files flashed onto ABS module
ABS module internal failure

CX1: VERIFY THE ABS MODULE DTC

Ignition ON, engine OFF.
Clear the ABS DTCs.
Ignition OFF.
Wait at least 90 seconds for the modules to completely shut off.
Ignition ON, engine OFF.

Carry out the ABS self-test.

Is DTC U202B:XX present and active in the ABS module?

Yes	No
Using a diagnostic scan tool, CARRY OUT the PMI for the ABS module. Make sure to use the latest available software files.	The conditions causing the DTC to set are not present at this time. VERIFY all ABS module electrical connectors are correctly connected and fully seated.