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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 U1131, BMW Hex Code 0x2DDA, BMW Code 11738: Lost Communication With CAS (SIG) >> Repair procedures (plant/service)

Repair procedures (plant/service)

- Check CAS fuse - Measure resistance on bus - Check wiring harness => Replace affected ECU as indicated

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