LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Buick >> 2016 >> Encore Base, AWD >> Repair and Diagnosis >> Electrical >> Charging Systems >> Battery, Charging System And Starting System >> Diagnostic Information and Procedures >> Starter Solenoid Does Not Click >> Circuit/System Verification
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Circuit/System Verification

  1. Ignition ON.
  2. Verify that no ignition, KR27 Starter Relay, brake pedal position sensor, theft deterrent, engine, or automatic T12 Transmission DTCs are set that would cause the ECM to disable engine starting.
    • If no DTCs are set 
  3. Verify the scan tool BCM 5 V Ignition Switch (vehicles without push button start) or ECM Power Mode (vehicles with push button start) parameter is Crank Request while attempting to start the vehicle.
    • If parameter displays Crank Request 
  4. Verify the scan tool TCM Internal Mode Switch parameter displays Park when in park.
    • If the TCM Internal Mode Switch parameter displays Park 
  5. Verify the scan tool ECM Crankshaft Position Active Counter parameter is not incrementing.
    • If the counter increments 

      Replace the B26 Crankshaft Position Sensor.

    • If the counter does not increment 
  6. Verify the engine cranks in park or neutral.
    • If the KR27 Starter Relay does not click or the engine does not crank 

      Refer to Circuit/System Testing.

    • If the engine cranks 
  7. All OK