Section 185 (Data Communication System)
WARNING: This page is about a different car, the 2007 Isuzu Ascender, 2007 GMC Envoy, 2007 Chevrolet TrailBlazer, and 2007 Buick Rainier. 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 Code Index
- Diagnostic Starting Point - Data Communications
- DTC B1000
- DTC B1004
- DTC B1007
- DTC B1009
- DTC U0001
- DTC U0073
- DTC U0100 - U0299
- DTC U1000
- DTC U1001-U1254
- DTC U1300, U1301 or U1305 (4.2L)
- DTC U1300, U1301 or U1305 (5.3L)
- DTC U2100
- DTC U2105-U2199
- Symptoms - Data Communications
- Scan Tool Does Not Power Up
- Scan Tool Does Not Communicate with Class 2 Device (4.2L w/o Immobilizer)
- Scan Tool Does Not Communicate with Class 2 Device (4.2L w/Immobilizer)
- Scan Tool Does Not Communicate with Class 2 Device (5.3L)
- Scan Tool Does Not Communicate with High Speed GMLAN Device
- Data Link References
- Repair Instructions
- Description and Operation