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Home >> BMW >> 2013 >> M3 2D Convertible, Standard Trans >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Self Diagnosis - Diagnostic Trouble Codes - DTC P1602 - DTC U1153 (S65) >> MSS60 Engine Operating System DTCS >> DTC U1132, BMW Hex Code 0xCDBC, BMW Code 52668: Lost Communication With Generator via BSD (Bit Serial Data Interface) (No Info.) >> Possible Fault Causes
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Possible Fault Causes

No power supply to SGM ECU / open wire between SGM-CAN /defective sensor



Internal malfunction in SGM security gateway module ECU / sensor or DME malfunction

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