Section 617 (Data Link Communication System)
WARNING: This page is about a different car, the 2004 Cadillac CTS. However, it is still accessible from the selected car via links, so may be relevant.
- Specifications
- Schematic and Routing Diagrams
- Component Locator
- Diagnostic Information and Procedures
- Diagnostic Starting Point - Data Link Communications
- Diagnostic Trouble Code (DTC) List
- DTC U0001: Transmit Error Counter Above Threshold
- DTC U0100 To U0299: Lost Communications With U0XXX
- DTC U1000 and U1255: Class 2 Communication Malfunction
- DTC U1001 To U1254: Lost Communications With U1XXX
- DTC U1300, U1301, or U1305: Class 2 Data Link Shorted
- DTC U2100: Controller Area Network (CAN) Bus Communication
- DTC U2102: More Controllers On Bus Than Programmed
- DTC U2106: Lost Communications With Transmission Control System
- 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 High Speed GMLAN Device
- Scan Tool Does Not Communicate with Keyword Data Line
- Data Link References
- Repair Instructions
- Description and Operation