> >> Usually the "Brake Light Circuit" message is sent when the brake light
> >> switch under the brake pedal goes bad. Its an inexpensive and relatively
> >> easy fix for a DIY'r.
> >>
> >> Kyle.
> >> 98 740iL
> >> 97 M3
> >
> > Sorry, but I beg to differ. My understanding is that this message is
> > entirely and only due to failure of the bulb. I CAN, however, be triggered
> > when one of the bulbs is old or weak. Hence the practice of replacing ALL
> > the bulbs when one burns out.
> >
>
> The message "Check Brake Lights" indicates a bulb failure. "Brake Light
> Circuit" is a wholesale failure of the circuit, at least to the check
> control system. As I said it USUALLY means a bad brake light switch, but > not always.
>
Kyle is correct. The BRAKE LIGHT CIRCUIT ERROR is related to the switch mounted to the brake pedal. The individual brake lamps gives a different message.