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Home >> BMW >> 2009 >> 550i 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 U0101, BMW Hex Code 0x2DCB, BMW Code 11723: Lost Communication With TCM (SIG) >> Repair procedures (plant/service)

Repair procedures (plant/service)

- Check SSG fuse - Measure resistance on bus - Check wiring harness => Replace defective ECU as indicated

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