ABS AND BRAKE LIGHT 99 1500 RAM TRUCK JUST CAME ON WHAT COULD BE THE PROBLEM SEEMS TO BE BRAKING OK

check brake pads /shoes for lining thickness if drums check for ovality in the drums surface or disc condition
check rear end suspension rubbers and shockys.
check for correct operation of the brake portioning valve as the condition may be from the rear wheels locking up
if it has ABS braking it may be the braking action , a combination of the items to be checked that is causing the problem

First, check to see if your ABS and your TCS fuses are good. A lot of times, if both lights come on, it senses a failure in the braking system. Your vehicle will disable the abs if it finds a problem in the braking system, hence the red brake light/hand brake light coming on in the dash. Get a code scanner that also reads the abs module. You could have a bad wheel sensor, which is tied to your TCS and your ABS system. Either that, or you ABS module could be bad.

Do you have a ABS Light at the same time?

Hi!!

Did you have the ABS sensors checked ?? The brake fluid level when low also activates the Brake and ABS lights?? Drive truck to an AutoZone store and ask to have computer codes scanned. This is a free service for all customers. This will help you to pinpoint the problem.

Good Luck!!

Don't forget to rate this post.

It sounds like you have a bad mastercylinder cause when you panic brake it doesn't have time to bleed through the valve in the cylinder but under normal braking your foot is on pedal longer in turn giving the fluid time to bypass the valve in the mastercylinder in turn the pedal going to the floor.

Brake light probably means that either your pads are low (if your truck has wear sensors in the pads) or that you have a brake/taillight bulb out. The ABS light is because either you have an ABS/wheelspeed sensor that's gone bad or the ABS actuator is bad. That should be able to be cleared up with a scan of the car's computer. If the module is bad, it's usually very expensive to buy one. Check out www.modulemaster.com - many of the guys in the Audi world that I know have had ABS modules rebuilt for $200 or less, and returned within a couple days, with a warranty. They have a great reputation.

master cylinder or brake booster

yeah you mostlikey have a abs pressure switch problem. which helps in the power assist , and or the seal in the brake booster is going bad

when the abs is activated it will cause the brake pedal to jump in and out rapidly, and the ABS light will flash at the same time, is this what u are asking? is this normal? yes.

Dear Customer,

if you getting some noise like small twittering than its genuine at high speed braking,

or if you get more noise like hammering once a time in braking tahn you have to check your brake couplers that having some crack or some unbalancing ,

THNX