Data Communications System
- Schematic Wiring Diagrams
- Diagnostic Information and Procedures
- Diagnostic Code Index
- Control Module U Code List
- DTC B1000
- DTC B1001
- DTC B1004
- DTC B1009
- DTC B1016
- DTC B101D
- DTC B101E
- DTC B1023
- DTC C0550
- DTC C056D
- DTC C056E
- DTC U0020
- DTC U0073 or U2100
- DTC U0100 - U02FF
- Diagnostic Instructions
- DTC Descriptor
- Diagnostic Fault Information
- Circuit/System Description
- Conditions for Running the DTC
- Conditions for Setting the DTC
- Action Taken When the DTC Sets
- Conditions for Clearing the DTC
- Diagnostic Aids
- Reference Information
- Circuit/System Verification
- Circuit/System Testing
- Repair Instructions
- DTC U1128
- DTC U1500
- DTC U1511
- DTC U1814
- DTC U2099
- DTC U2103
- DTC U2105-U2199 (Except U2142 and U2143)
- DTC U2142 or U2143
- Symptoms - Data Communications
- Scan Tool Does Not Power Up
- Scan Tool Does Not Communicate with High Speed GMLAN Device
- Scan Tool Does Not Communicate with Keyword Data Line
- Scan Tool Does Not Communicate with Low Speed GMLAN Device
- Data Link References
- Repair Instructions
- Description and Operation