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Home >> Buick >> 2015 >> Regal GS, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 17 (Engine Controls And Fuel - 2.4L - DTC P0628 To DTC P2635 And Diagnostic Information And Procedures) >> Diagnostic Information and Procedures >> DTC P15FB: Brake Pedal Position Sensor Signal Message Counter >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different variant/trim than selected.
NOTE:
  • DTC P15FB is an informational DTC.
  • Diagnose all other engine control module DTCs prior to DTC P15FB.
  1. Verify that no other DTCs are set except for DTC P15FB.
    • If only DTC P15FB is set 
  2. Replace the K17 Electronic Brake Control Module.
  3. Verify the DTC does not set while operating the vehicle within the Conditions for Running the DTC.
    • If DTC sets 

      Replace the K20 Engine Control Module.

    • If DTC does not set 
  4. All OK.
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