Diagnostic Code Index
DIAGNOSTIC CODE INDEX
| DTC | Description |
|---|---|
| DTC B1000 | B1000 00: Engine Control Unit Performance - No Additional Information B1000 31: Engine Control Unit Performance - General Checksum Error B1000 57: Engine Control Unit Performance - Expected Reaction After Event Did Not Occur |
| DTC B1001 | B1001 00: Option Configuration Error B1001 45: Option Configuration Error Variant Not Programmed B1001 46: Option Configuration Error B1001 4B: Option Configuration Error Calibration Not Learned |
| DTC B1004 | B1004: Keep Alive Memory (KAM) Reset |
| DTC B1009 | B1009: EEPROM Checksum Mismatch |
| DTC C0550 | C0550 00: EEPROM Checksum Mismatch C0550 39: EEPROM Checksum Mismatch |
| DTC U0001 | U0001 00: High Speed CAN Communication Bus |
| DTC U0020 | U0020: Low Speed CAN Communication Bus Performance |
| DTC U0073 or U2100 | U0073: Controller Area Network (CAN) Bus Communication U2100: Controller Area Network (CAN) Bus Communication |
| DTC U0100-U0299 or U2105-U2199 | U0100: Lost Communication With Engine/Powertrain Control Module (ECM/PCM) U0101: Lost Communication With Transmission Control Module (TCM) U0121: Lost Communication With Electronic Brake Control Module (EBCM) U0140: Lost Communication With Body Control Module (BCM) U0198: Lost Communication With Communication Interface Module (OnStar®) U2105: Lost Communication With Engine Control Module (ECM) U2106: Lost Communication With Transmission Control Module (TCM) U2107: Lost Communication With Body Control Module (BCM) U2108: Lost Communication With Electronic Brake Control Module (EBCM) U2113: Lost Communication With Sensing Diagnostic Module (SDM) U2122: Lost Communication With Radio U2125: Lost Communication With Mobile Communications Control Systems U2137: Lost Communication With Vehicle Theft Deterrent (VTD) U2172: Lost Communication With Digital Radio Receiver |
| DTC U2103 | U2103: Fewer Controllers On Than Programmed |