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Re: dashboard check light stays on
It is a generic indicator that tells the owner/tech that the car has "thrown" a code. You need to retrieve the code with a code reader available from auto parts store, online or at the dealer. Some parts stores lend them out. You find the plug, usually under the dash by the fuse box, plug the reader into it, turn the ignition on, DONT START, and let the reader retrieve the ccodes. Turn off car and read the codes, itll say a code and sometimed itll also tell you what it means, like O2 sensor or misfire or other things. O2 is the most common. Then the reader can reset the light if you plug it back in and tell it to. remember dont start the car wiht the reader plugged in.
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So your check engine light came on. I would definately reset the error registry by disconnecting your battery for a couple of minutes...reconnect battery. Start the car up and see if the light still comes on...If it does, I would recommend getting the code read to determine exactly what it means. Could be something as simple as a sensor to something more serious.
okay let me tell you and i will try to show you them. first is the check engine light which is a yelloe symbol of a small engine, this means theres a problem with the engine operation or emmisions system. this you can go to an auto parts store and they will scan the cars computer for codes and give you a print out. i can help you further with the codes, next is the anti braking system which doesnt allow the wheels to skid in heavy braking or snow and ice, this symbol will say ABS.nextis the red brake light which will say BRAKE in red and will sometimes come on with the yellow ABS light this light if on alone means you are low on brake fluid, which means a leak or low brakes and you need to have the brake system checked asap, the rest of the light are low coolant, trac, which is in the ****** and controls the traction control, this light will come on if this cars has it when the abs or engine light is on because the computer shuts it done when theres a problem.hope this helps.heres a good site that will show you all lights and what they mean there are alot depending on the car. hope this is helpful.http://www.autoevolution.com/news/how-to-read-the-dashboard-lights-1370.html
Some fault code is stored in the PCM (computer); to know what is the problem, I suggest scanned the PCM with some scanner reader codes. Autozone or AutoShop with this tools sometimes make this for free.
You have some wiring problems shorting out that is coming from the dash board so if you or anyone you know how to use a multimeter to check the wireing harnesses plus check any connectors that might be just very touching the connector of dashboard which means a bad connection to dashboard.
First, make sure it's not that your dimmer switch has been turned all the way down.
Check fuse 22 and 23. If they're good then you may have a bad ground somewhere. Check the board and fuse box under the battery (yes, I know - but thats where vw located it) for corrosion.