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Even with new sockets, sometimes the bulbs will develop oxidation spots where they make contact with ground plates. Incredible that this still persists even with new sockets but the good news it's wayy less frequent. Like once every 4 months and the fix is simple; take out the bulbs from the sockets, there will be slightly burnt and raised electrical contact points on the flat part of the H3 bulbs where they sandwich in the sockets. Simply chip the oxidized and raised parts off the bulb so that the ground contact on the bulb is flat again. A bit of steel wool to clean it up and it should be good as new. The error will clear after a few cycles on/off, driving etc.
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