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Home >> Buick >> 2020 >> Encore Base >> Repair and Diagnosis >> Electrical >> Charging Systems >> 12 V Battery, Starting System And Charging System >> Diagnostic Information and Procedures >> DTC B151A >> Circuit/System Verification
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Circuit/System Verification

  1. Ignition - On/Vehicle - In Service Mode
  2. Verify DTC P0621 or P0622 is not set.
    • Go to next step: If none of the DTCs are set 
  3. Refer to Battery Inspection/Test 
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