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Diagnostic Code Index

WARNING: This page is about a different car, the 2007 Buick LaCrosse and 2007 Buick Allure. However, it is still accessible from the selected car via links, so may be relevant.
DIAGNOSTIC CODE INDEX

DTC Description
DTC B1000  Electronic Control Unit (ECU) Performance
DTC B1001  Option Configuration Error
DTC B1004  Electronic Control Unit Identification Circuit
DTC B1007  EEPROM Read/Write Error
DTC B1009  EEPROM Checksum Mismatch
DTC B1013  Calibration Read Only Memory (ROM) Checksum Error
DTC B1014  Program Read Only Memory (ROM) Checksum Error
DTC B1390  Device Voltage Reference Input Circuit
DTC C0550  Electronic Control Unit (ECU) Performance
DTC U0001  High Speed CAN Communication Bus
DTC U0100-U0299  Lost Communication With ECM/TCM
DTC U1000 and U1255  Class 2 Data Link Malfunction/Lost Communications
DTC U1001-U1254  Lost communication With XXX Module
DTC U1300, U1301, or U1305  Class 2 Data Link Low/High
DTC U2100  Controller Area Network (CAN) Bus Communication
DTC U2105-U2199  Lost Communications With ECM/BCM/ABS/TCS Control System