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IS - 2nd Gen (2006-2013) Discussion about the 2006+ model IS models

Check System light ( HELP )

Old Feb 6, 2012 | 08:06 PM
  #1  
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Default Check System light ( HELP )

okay so i searched everywhere and done all most everything and i cant get this to turn off. i reset the ecu (plugged out batter let it sit for 3 hours plug back in ) still on. I check tire pressure all fine at the manual specifications. and dint even mess with the switches under steering wheel came on after i bought the car i have a 3 year warranty but a 100 $ deductible and being a college student that's a lot right now any way i can turn this off its bugging the crap out of me.. please help me =[

car is a 06 is250 w 64k
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Old Feb 6, 2012 | 08:19 PM
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With out getting it scan for the obd2 code no one can tell you what it is. $100 a small price if the problem get worse. Get a scan from autozone it free.
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Old Feb 6, 2012 | 08:22 PM
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Originally Posted by laobo979
With out getting it scan for the obd2 code no one can tell you what it is. $100 a small price if the problem get worse. Get a scan from autozone it free.
auto zone said they cant scan a check system light with a obd2 and i had advance auto parts try and wouldnt read any codes
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Old Feb 6, 2012 | 08:29 PM
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My bad I thought it was a cel. Is there any other symbol with it? If so look at your owner manual it will tell you. Maybe your tire sensor reading low pressure?

Last edited by laobo979; Feb 6, 2012 at 08:38 PM.
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Old Feb 7, 2012 | 03:28 AM
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Sounds like one of your TPMS might be dead or broken. The system has to sense 4 TPMS or it will give you a Check System error. Have the dealer or tire shop check to see if all 4 TPMS are working.
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Old Feb 7, 2012 | 04:32 AM
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"Check system" is a tire pressure sensor problem. The first thing I would check is to make sure that you didn't accidentally set the system to use the alternate set of sensors. (The menu is accessed from the controls that look like < O > to the left of the steering wheel.) If that setting is okay, I'd go with MrBBQ's advice and get the sensors themselves checked.
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Old Feb 7, 2012 | 11:50 AM
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Have you swapped wheels? If you have TPMS that aren't synced to your car, it'll trigger this light. Are you running staggered wheels on an AWD 250? This may also trip this light.
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Old Feb 7, 2012 | 02:22 PM
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nope dint put wheels on or nothing the dealer did put 2 new tires on the car when i baught it tho
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Old Feb 7, 2012 | 03:27 PM
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Assuming it's on the correct set of sensors you can also reset what the "correct" pressure is using the <o> switch too... directions in the owners manual. That'd be the only other "free" thing to try really.
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