when my emergency brake light flashes why does it cause the tranmission to go into limp mode i can only drive up to 20mph?
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1998 Mercedes-Benz ML320 Question: why does the brake light cause transmission problems?
Answer #1patrick mannion from Greg Solow's Engine Room, June 21, 2011, 23:07Master
Car's electrical systems and electronics are so intertwined any more. A brake pedal/brake light switch input is needed to get the car out of Park and perhaps it is a safety feature that if the computer thinks you are low in brake fluid it does not want you to be capably of driving 100 mph.