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Home >> Cadillac >> 2018 >> Escalade ESV Platinum, RWD >> Repair and Diagnosis >> Accessories & Equipment >> Exterior Lights >> Lighting System - DTC B0655 To DTC B3951 >> Diagnostic Information And Procedures >> DTC B0655: Stop Lamp Switch Circuit Not Plausible >> Circuit/System Verification

Circuit/System Verification

  1. Ignition ON.
  2. Verify the center high mounted stop lamp on the vehicle turns ON and OFF when commanding the Center Brake Lamp ON and OFF with a scan tool.
    • Go to next step: If the center high mounted stop lamp turns ON and OFF 

      Test or replace the K9 Body Control Module.