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Home >> Oldsmobile >> 1999 >> Cutlass V6-191 3.1L VIN M SFI >> Repair and Diagnosis >> Body and Frame >> Body Control Systems >> Body Control Module >> Testing and Inspection >> Scan Tool Testing and Procedures >> BCM To Cluster Data >> Serial Peripheral Interface (SPI) Serial Data Status
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Serial Peripheral Interface (SPI) Serial Data Status

Range: OK/Fault
This data indicates whether the BCM is communicating with the instrument cluster.

OK is displayed when the BCM is communicating properly on all three lines.

OK is displayed when BCM the dictates whether the BCM is communicating with the instrument cluster.

FAULT is displayed when the BCM is not properly communicating with the instrument cluster on any of the three lines.
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