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Home >> BMW >> 2008 >> 528xi Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Self Diagnosis - Diagnostic Trouble Codes - DTC P1214 - DTC U1168 (N51, N52) >> BMW MSV80 >> DTC U1129, BMW Hex Code 0xCDA7, BMW Code 52647: Lost Communication With Reverse Status (SIG) >> Repair procedures (plant/service)

Repair procedures (plant/service)

  1. With manual transmission: Check CAN link between light module and DME.
  2. With automatic/SMG: Check code entry in light module, delete version in DME and re-initialize (Terminal 15 switch)