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Home >> Buick >> 2016 >> Envision >> Repair and Diagnosis (Single Page) >> Electrical >> Body Electrical >> Wiring Systems And Power Management - Diagnostic Information And Procedures >> Diagnostic Information and Procedures >> DTC B1370: Control Module Ignition On and Start >> Circuit/System Verification

Circuit/System Verification

  1. Verify that DTC B144B or B1380 is not set.
    • If DTC B144B or B1380 is not set 
  2. Refer to Circuit/System Testing.