Diagnostic Code Index

DIAGNOSTIC CODE INDEX

DTC	Description
DTC B1000	Electronic Control Unit (ECU) Performance
DTC B1004	Keep Alive Memory (KAM) Reset
DTC B1007	EEPROM Write Error
DTC B1009	EEPROM Checksum Mismatch
DTC B1397	Device Voltage Reference Output Circuit Low
DTC B1440	Power Mode Master Input Circuits Mismatch
DTC B1477	DTC B1477 Retained Accessory Power Circuit Low
DTC U0100-U0299	Lost Communication With Control Module
DTC U1000	Class 2 Data Link Malfunction
DTC U1001-U1254	Lost Communication With Control Module
DTC U1300, U1301, or U1305 (5.3L)	DTC U1300 Class 2 Data Link Low DTC U1301 Class 2 Data Link High DTC U1305 Class 2 Data Link Low or High
DTC U1300, U1301, or U1305 (4.2L)	DTC U1300 Class 2 Data Link Low DTC U1301 Class 2 Data Link High DTC U1305 Class 2 Data Link Low or High
DTC U2100	High Speed CAN Communication Bus
DTC U2105-U2199	Lost Communication With Control Module