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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
B+ 1* U1862** - -
Module Ground - U1862** - -
Communication Enable Signal U209A or U2099 U1862** - -
* Circuit fuse will open
** The vehicle battery will not charge.
1. No start, BECM and SDGM will both be inoperative.
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