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Diagnostic Fault Information

WARNING: This page is about a different car, the 2009 Saturn Vue. 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
Ignition Voltage (Circuit 2139) P2534* ** P2534** U209A** or B1453 -
Ignition Voltage (Circuit 239) B1453* ** B1453** U209A** or B1453 -
Communication Enable Signal (Circuit 5986) U209A** or U2099 U209A** - -
Wake Up Signal (Circuit 5985) U1814* U1812* U209A* -
* Circuit fuse will open
** May set other module/DTCs.