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Home >> GMC >> 2018 >> Acadia Denali, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 309 (Diagnostic Information And Procedures) >> Diagnostic Information and Procedures >> DTC B1451: Accessory Power Circuit >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different car, the 2017 GMC Acadia. However, it is still accessible from the selected car via links, so may be relevant.
  1. Verify DTC U1814 is not set.
    • If DTC U1814 is not set 
  2. Refer to Circuit/System Testing.
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