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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 P151B, BMW Hex Code 0x2E8D, BMW Code 11917: Battery Sensor Wakeup Circuit (PLAUS) >> Repair procedures (plant/service)

Repair procedures (plant/service)

  1. Check Terminal 15/wakeup wire for opens and intermittent contacts
  2. With battery sensor removed and Terminal 15 off, check Terminal 15/wakeup wire for short to battery voltage -> Repair wire and/or check Terminal 15, control module wakeup
  3. With battery sensor removed and Terminal 15 on, check Terminal 15/wakeup wire for short to ground
  4. With battery sensor connected and Terminal 15 off, check Terminal 15/wakeup wire for shorts to battery voltage -> Replace battery sensor
  5. With battery sensor connected and Terminal 15 on, check Terminal 15/wakeup wire for shorts to ground -> Replace battery sensor