Diagnostic Code Index

WARNING: This page is about a different car, the 2006 Saturn Ion Red Line, 2006 Saturn Ion 3, and 2006 Saturn Ion 2. 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 B1009	EEPROM Checksum Mismatch
DTC B1372, B1373, or B1374	DTC B1372 Device Ignition 1 (ON and START) Circuit Low DTC B1373 Device Ignition 1 (ON and START) Circuit High DTC B1374 Device Ignition 1 (ON and START) Circuit Open
DTC B1382, B1383, or B1384	DTC B1382 Device Ignition ACCESSORY Circuit Low DTC B1383 Device Ignition ACCESSORY Circuit High DTC B1384 Device Ignition ACCESSORY Circuit Open
DTC B1441, B1442, or B1443	DTC B1441 Device Ignition OFF, RUN, and CRANK Circuit DTC B1442 Device Ignition OFF, RUN, and CRANK Circuit Low DTC B1443 Device Ignition OFF, RUN, and CRANK Circuit High
DTC C0550	Electronic Control Unit (ECU) Performance
DTC U1000 and U1255	DTC U1000 Class 2 Data Link Malfunction DTC U1255 Lost Communications
DTC U1001-U1254	Control Module U1XXX
DTC U1300, U1301, or U1305	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	Controller Area Network (CAN) Bus Communication
DTC U2105-U2199	DTC U2105 Lost Communications With Engine Control System DTC U2199 Unassigned