sensor 3

  1. J

    W203 P2203 fault causing limp mode.

    Hi. It seems that I'm having a quite common problem with my gf's mercedes automatic 'box -> the limp mode caused by fault in the sensor 3 (y3/6n3). (fault code p2203). Well basic setup seems to be replacing the electroplate and check if there's any signs of coolant water mixed to atf oil...

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