LEMON Manuals: Even more car manuals for everyone
Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 889 (Horn System) >> Diagnostic Information and Procedures >> DTC B2750 >> Diagnostic Fault Information

Diagnostic Fault Information

WARNING: This page is about a different car, the 2007 GMC Sierra and 2007 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
DTC B2750

Circuit Short to Ground Open/High Resistance Short to Voltage Signal Performance
Horn Relay Control B2750 00 B2750 00 B2750 00 -
Horn Control 2 2 1 -
Horn Ground - 2 - -
Horn Switch Ground - 2 - -
  1. Horns Always ON
  2. Horns Inoperative