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Home >> Buick >> 2012 >> Regal Base >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 8 (Hybrid/EV Control System) >> Diagnostic Information and Procedures >> DTC P0AB9 >> Circuit/System Verification

Circuit/System Verification

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  1. Verify that no other DTCs are set.
  2. Start the engine. The engine should start and run.
  3. If the DTC is set, and the engine is running smoothly, program the K59 starter generator control module.
    • If the DTC resets, replace the K59 starter generator control module.