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Home >> BMW >> 2009 >> 650i 2D Convertible, Automatic >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> Self Diagnosis - Diagnostic Trouble Codes - DTC P1327-U1202 (N62) >> BMW Me9.2.3 (DTC P1327-U1202) >> DTC U1132, BMW Hex Code 0x2ECC, BMW Code 11980: Lost Communication With Generator via BSD (Bit Serial Data Interface) (MAX) >> Possible Fault Causes

Possible Fault Causes

  1. Alternator (BSD-BUS) not connected
  2. Open wire (BSD-
  1. Check wire (BSD_BUS) BUS) between connecting alternator and alternator and DME. DME
  2. Check plug-in connection
  3. Alternator at alternator. defect
  4. Replace alternator.
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