Diagnostic Fault Information
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2008 GMC Yukon XL, 2008 GMC Yukon, 2008 Chevrolet Tahoe, 2008 Chevrolet Suburban, and 2008 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
| Circuit | Short to Ground | Open/High Resistance | Short to Voltage | Signal Performance |
|---|---|---|---|---|
| Low Speed GMLAN Serial Data | 1 | 21 | 1 | - |
| Ground (DLC, Terminal 5) | - | 1 | - | - |
| 1
An open between the data link connector (DLC) and JX 200 will only effect the communication with the scan tool. The vehicle modules will still communicate. 1. No communication on any low speed GMLAN module 2. No communication on a specific low speed GMLAN module |
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