Section 54 (Data Link Communications System)
WARNING: This page is about a different car, the 1999 Cadillac Catera. However, it is still accessible from the selected car via links, so may be relevant.
- Schematic And Routing Diagrams
- Component Locator
- Visual Identification
- Diagnostic Information And Procedures
- Diagnostic System Check - Data Link Communications
- Engine Controls Power Relay Circuit Diagnosis
- Diagnostic Trouble Code (DTC) List
- DTC U1128 Loss of Communications with IRC
- DTC U1255 Generic Loss of Class 2 Data
- DTC U1300 Class 2 Short to Ground
- DTC U1301 Class 2 Short to Battery
- DTC U2100 CAN-BUS Communication Malfunction
- DTC U2103 Fewer Controllers On Bus Than Programmed
- DTC U2104 CAN Bus Reset Counter Overrun
- DTC U2105 Lost Comm with Engine Control System
- DTC U2106 Lost Comm with Trans Control System
- DTC U2108 Lost Comm with ABS Control System
- Scan Tool Inoperative
- Scan Tool Does Not Communicate with Class 2 Data Line
- Scan Tool Does Not Communicate with Theft Deterrent Module (Immobilizer)
- Scan Tool Does Not Communicate with Sunroof Actuator
- Scan Tool Does Not Communicate with Transmission Control Module
- Scan Tool Does Not Communicate with Memory Seat Module
- Scan Tool Does Not Communicate with Instrument Cluster
- Scan Tool Does Not Communicate with Engine Control Module
- Scan Tool Does Not Communicate with Automatic Level Control Sensor
- Scan Tool Does Not Communicate with Sensing and Diagnostic Module
- Scan Tool Does Not Communicate with Power Steering Control Module
- Scan Tool Does Not Communicate with Heater and Air Conditioning (A/C) Control
- Scan Tool Does Not Communicate with Electronic Brake and Traction Control Module
- Description And Operation
- Special Tools And Equipment