Hello!I have a sonata 2003 and my brake lights stay on.
Hello! I have a sonata 2003 and my brake lights always stay on.Even i just put the key on or start the engine.And i don't have to touch the brake pédal.I hope you see that problem before.Thanks.Sylvain,Montréal,Canada
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Ensure vehicle is on level ground first!
Open bonnet, put in gear, take hand brake off and rock vehicle back and forth whilst watching belts or something like the alternator to see if this turns. If not there is a chance you siezed the engine when it overheated.
Can you shift out of park if you don't start the engine ? Often times the brake light switch is faulty or the solenoid that locks the shifter. Sometimes the shifter can be moved if the key lock is turned but not to the on position.
If the lights only stay on when key is in ignition, your central brake lights (or one of the lights) are out. The other lights stay on as a warning that the centrals(or other brake light/s) are needing replaced.
Just because the battery has enough power to operate the lights and door locks does not mean it would pass a load test. If the battery checks out OK then check the battery cables. use one side of a pair of jumper cables to bypass each cable starting with the negative cable. if the vehicle now starts, replace the cable. The positive cable is harder to check using this method. attach one end of the jumper cable to the starter terminal making sure that the end of the jumper cable is not touching the engine and then attach the other end to the positive terminal of the battery. If sparking occurs when this end is connected then the jumper cable is touching ground and must be repositioned. If the problem still exists then the most likely cause is the starter solenoid. Always wear safety glasses when working around a battery.
Body control module, does it have a manufacture alarm try this see if it reboots take both terminal out and put it together for 5 minutes, put the terminal back together, and in the normal matter start it see if that reboots the BCM make sure the battery is good before you do it
the traction control system works off of the abs system so there is a code in the abs module that needs to be pulled so you know were to start to check the system out.the service engine light is a different system all together and there is a code in the ecm that must be pulled so you know were to start to check to repair that system.you don`t say why you jumped to the conclusion that the gas cap set a code.the emergency brake light will come on if the e-brake is not all the way in the off position(something may be holding the lever up just enough to put the light on.the switch could be misadjusted and needs to e readjusted.
Over the brake pedal there is a plastic switch that often comes loose and when it comes loose the brake lights will stay on killing your battery. Check to see if it moved if it did push it towards the brake pedal rod that the switch touches and tighten the nut and it will go off. If it comes loose again or this does not work at all the switch needs replaced.
mcdevito75 here, Are you sure your haedlite switch is off, if it"s on your brake lite will also stay on. However it could be the brake light switch out of adjustment. It"s located on the brake pedal, with your foot behind the brake pedal gently lift up on the brake pedal and see if the brake lights go out if they do or even if they don"t, have yoyr local shop check it out.