Data Link Communication DTCS
WARNING: This page is about a different car, the 2003 Hummer H2. However, it is still accessible from the selected car via links, so may be relevant.
DATA LINK COMMUNICATION AIR BAG DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | Description |
|---|---|
| DTC U1000 and U1255 | Critical Operating Parameter Has Not Been Received |
| DTC U1001-U1254 | Module U1XXX Communication |
| DTC U1300, U1301, or U1305 | Class 2 Serial Communication |