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Home >> GMC >> 2018 >> Acadia Denali, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 132 (Horn System) >> Diagnostic Information and Procedures >> DTC B2750: Horn Relay >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different car, the 2016 Cadillac ATS. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition ON.
  2. Verify the P13 Horn Assembly turns On and Off when commanding the Horn Relay On and Off with a scan tool.
    • If the P13 Horn Assembly does not turn On and Off 

      Refer to Circuit/System Testing.

    • If the P13 Horn Assembly turns On and Off 
  3. All OK.