The other day my check engine light came on. I put a code reader on it and it threw 3 codes. U01B0 (Lost communication w battery sensor), U0284 (Lost communication w active grille air shutter I motor module) and U1345(Engine Control Module LIN Bus 1.
I checked all fuses, checked for damaged wiring, nothing. So I replaced the battery monitor module. Same problem. At first, my fan would be running going from slow to fast and back again the entire time, but that has stopped. I've checked the voltage on the lin bus wire coming from the negative terminal of the battery, apparantly it should be fro…
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