Data Link Communication DTCS
DATA LINK COMMUNICATION DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | Description |
|---|---|
| DTC U0001 | High Speed CAN Communication Bus |
| DTC U0100 To U0299 | GMLAN High Speed Serial Data Missing |
| DTC U1000 and U1255 | Class 2 Data Link Malfunction/Lost Communications |
| DTC U1001 To U1254 | Module U1XXX Communication |
| DTC U1300, U1301, or U1305 | Class 2 Data Link |
| DTC U2105 | Lost Communications with Engine Control System |