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Home >> GMC >> 2006 >> Sierra 1500 HD, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1302 (Data Communication System) >> Diagnostic Information and Procedures >> DTC U1500, U1511, U1512, or U1513 >> Diagnostic Fault Information

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
B+ - Window Motor U1511, U1512 U1511, U1512 -
Ignition - Electronic Compass Module U1511 U1511 -
Serial Data - Electronic Compass Module, Terminal 3 U1511 U1511 U1511
Serial Data- Driver Window Motor, Terminal 5 U1500 02 U1511 U1500 01
Serial Data - Passenger Window Motor, Terminal 5 U1500 02 U1512 U1500 01
Ground - Electronic Compass Module - U1511 -
Ground - Window Motor - U15111 , U15121 -
1 Either or both DTC may set depending on the location of the open/high resistance.