Fault code meanings

Martin blackett

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Your Mercedes
A class W169 1.5 2007 2006 2005
Hi all
Had problem with A class W169. LIghts on all time.
had it read and here’s the results.
I changed the sensor on the windscreen twice but still same. Now it says rotary switch. The other I don’t understand 90BA. ATA hood switches S62. Can anyone explain. Thanks.
 

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