I have a 2005 Grand Touring Roadster. In the last few weeks the slip, VDC, and brake light have been popping on. It started a while ago but only did it a few times. Now it seems to do it all the time.

It is mostly when during acceleration?

Anyone else having/had this issue? If so, what was the outcome?

 

as far as brake light, check your fluid level, i had a problem with mine coming on, added fluid and went off. as far as the other 2 i havent herd of anything coming on cause of that, maybe your tires are slipping during accel? or a sensor could be bad, or possibly somthing in your drive train is slipping when you accel.. just throwing ideas out there.. also i had put different rims and tires on my nissan titan and the slip and brake lights just come on and go off as they please, just learned to ignore it. maybe put your stocks back on and see if it stops.

that all my knowledge as a hobby mechanic that i have to offer. hopfully somthing helps
Andrew

 

Searching would have yielded you a faster response.

If it does it during acceleration, it could be a bad sensor or low brake fluid.

I just replaced the brake light switch in my Z as pressing the brakes triggered an error from the switch and caused the lights to activate. ($35 fix)

The code I got from reading the ecu (abs system) stated that it was the pressure switch on the abs control unit even though the switch itself was the culprit.

 

Sounds like low fluid - when you accelerate, the fluid sloshes to the back of the reservoir. That triggers the low fluid switch and it in turn triggers the lights.

 

low fluid and/or thin pads....same thing happened to me.