Paddy,
Code CO28946 is for failed brake. Turn key off for 10 seconds, then back on. If code returns, need to test brake coil ohms. Using ohm meter, should get a reading of about 50 ohms. Higher reading you need to replace brake. Cannot find anything else on the numbers listed. All codes will have two letters and 5 numbers. None of the numbers you listed are codes. Good Luck.
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