Warning lights after a repair

I have just changed the indicator stalk on my Mercedes-Benz A-Class and the ESP and BAS lights have come on.

Does this normally happen? Or have I put the connector on the wrong way around?
Indicators and lights now working fine.

Asked on 6 February 2012 by Welshlad888

Answered by Honest John
Probably needs to be reprogrammed via the OBDII port to accept the change of component.
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