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Message: <blockquote data-quote="BMW2007" data-source="post: 513877" data-attributes="member: 4659">i did the battery check, it shows ~12.4V with engine off, it shows ~13.5V with engine and air-con/headlight On, then ~14.1V when air-con/headlight off. I think the baterry/alternator is working fine. noticed one more thing, the OBD shows error messages "Check Break Light" and "Check Rear Foglight" occasionally when the OBC shows Trans. Failsafe prog. However, there is no problem to the break light or rear foglight. Dont understand why OBC triggers check lights message?! Any posibility of electrical connectivity or contact related issue?</blockquote>