D3 - Check For Burned-Out Rear Brake Lights

- Press on brake pedal (2455) while observing rear brake lights.

- Do the brake lights function?

YES -- Go to D4. [1][2]D4 - Check Loss of Brake Input to RABS Control Module

NO -- Repair brake light system: Burned-out bulbs or open Circuit 511 (LG). Repeat System Pre-Check. Description