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Diagnostic Fault Information

WARNING: This page is about a different car, the 2009 GMC Sierra, 2009 GMC Cab & Chassis Sierra, 2009 Chevrolet Silverado, and 2009 Chevrolet Cab & Chassis Silverado. 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
HSGMLAN + (circuit 2500) U0073* U1885* U0073* -
HSGMLAN - (circuit 2501) U0073* U1885* U0073* -
* Other modules/DTCs will set with this fault.
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