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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 P150A, BMW Hex Code 0x2E8B, BMW Code 11915: Battery Sensor BSD (Bit Serial Data Interface) Extended Communication Circuit (MAX) >> Repair procedures (plant/service)

Repair procedures (plant/service)

  1. Check BSD wire for sporadic shorts to battery voltage and ground
  2. Check for intermittent contacts
  3. Disconnect other BSD components one after the other and replace as indicated
  4. If fault persists after deletion of stored fault codes from log, replace battery sensor
  5. If fault code is logged repeatedly, replace battery sensor
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