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Body Control Module DTCS

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2004 Oldsmobile Bravada, 2004 GMC Envoy XUV, 2004 GMC Envoy XL, 2004 GMC Envoy, and 2004 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
BODY CONTROL MODULE DIAGNOSTIC TROUBLE CODE (DTC) LIST

DTC Description
DTC B1000 ECU Malfunction
DTC B1004 Keep Alive Memory (KAM) Reset
DTC B1007 Electronic Control Unit (ECU) Performance
DTC B1009 EEPROM Checksum Error
DTC B1397 Device Voltage Reference Output {single or 1} Circuit Low
DTC B1440 Power Mode Master Input Circuits Mismatch
DTC C0550 ECU Malfunction