Home >> BMW >> 2009 >> M3 2D Convertible, Automatic DCT >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> Self Diagnosis - Diagnostic Trouble Codes - DTC P1602 - DTC U1153 (S65) >> MSS60 Engine Operating System DTCS >> DTC U0137, BMW Hex Code 0xCDB8, BMW Code 52664: Lost Communication With Trailer Brake Control Module (No Info.) >> Repair procedures (plant/service)