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Home >> Chevrolet >> 2020 >> Express 2500 LS, 6.0L Eng VIN G >> Repair and Diagnosis >> External Pages >> Different car >> Section 108 (Horns And Pedestrian Alerts) >> Diagnostic Information and Procedures >> DTC B2750 >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different car, the 2019 GMC Savana 3500, 2019 GMC Savana 2500, 2019 Chevrolet Express 3500, and 2019 Chevrolet Express 2500. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition - On / Vehicle - In Service Mode
  2. Perform the scan tool control function : Horn Relay - On and Off

    Verify the component turns On and Off : P13 Horn Assembly

    • If the component does not turn On and Off 

      Refer to : Circuit/System Testing

    • Go to next step : If the component turns On and Off 
  3. All OK.
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