Section 277 (Data Link Communications)
WARNING: This page is about a different car, the 2003 Saturn LW300, 2003 Saturn LW200, 2003 Saturn L300, and 2003 Saturn L200. However, it is still accessible from the selected car via links, so may be relevant.
- Schematic and Routing Diagrams
- Component Locator
- Diagnostic Information and Procedures
- Diagnostic Starting Point - Data Link Communications
- Diagnostic Trouble Code (DTC) List
- DTC U1000: Class 2 Data Link Malfunction
- DTC U1001 To U1254: Module U1XXX Communication
- DTC U1300, U1301 Or U1305: Class 2 Shorted
- DTC U2100: CAN Bus Communication
- DTC U2102 Or U2103: Controller Error
- DTC U2104: Controller Area Network (CAN) Bus Reset Counter Overrun
- DTC U2105, U2106, U2107, U2108: Lost Communications
- Symptoms - Data Link Communications
- Scan Tool Does Not Power Up
- Scan Tool Does Not Communicate with Class 2 Device
- Scan Tool Does Not Communicate with Keyword Data Line
- Description and Operation