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Home >> Buick >> 2015 >> Regal GS, AWD >> Repair and Diagnosis >> Electrical >> Motors, Switches, Relays >> Wiring Systems And Power Management - Diagnostic Information And Procedures >> Diagnostic Information and Procedures >> DTC P2537: Ignition Accessory Switch >> Circuit/System Verification

Circuit/System Verification

  1. Verify DTC U1814 or U2099 is not set.
    • If none of the DTCs are set 
  2. Refer to Circuit/System Testing.