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Home >> Buick >> 2007 >> Allure CX >> Repair and Diagnosis >> External Pages >> Different car >> Section 39 (Data Communication System) >> Diagnostic Information and Procedures >> DTC U1300, U1301, or U1305 >> Diagnostic Fault Information

Diagnostic Fault Information

WARNING: This page is about a different car, the 2008 Buick LaCrosse and 2008 Buick Allure. 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
Class 2 Serial Data U1300 1 U1301
1. Some modules will set DTC U1305 if they are not capable of distinguishing between a short to battery voltage or ground.
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