Section 1636 (Data Link Communications)
WARNING: This page is about a different car, the 2003 Saturn Ion 3, 2003 Saturn Ion 2, and 2003 Saturn Ion 1. 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 and U1255: Class 2 Data Link
- DTC U1001 To U1254: Module U1XXX Communication
- DTC U1300, U1301, or U1305: Class 2 Data Link
- DTC U2100: CAN Bus Error With Engine Control System
- DTC U2103 or U2104: Fewer Controllers On Bus Than Programmed, Or Controller Area Network (CAN) Bus Reset Counter Overrun
- DTC U2105: Lost Communications With Engine Control System
- 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 CAN Device
- Description and Operation