Hmm, I'm not sure what a main chip is but, there is a few reasons for this problem.
Now when your warning lights go on, the computer sets a DTC code which is the key to helping solve this problem. If you can get the DTC (Data Trouble Code) from the dealership or from someone who can scan your can, I can better assist you in figuring out what's wrong. Hope this helps.
ABS LIGHT AND MODULE TROUBLESHOOTING:
Anti
lock brake system light comes up when there is issue with car brake systems. It
can be low brake fluid or faulty ABS fuse or its issue with brake system or assembly.
Your vehicles brake system needs inspection.
To
troubleshoot these issues, I suggest you to refer the help links provided below.
There are direct links with accurate solution, for these specific issues.
Click
the link below and follow the procedure: ------
http://howtobyme.blogspot.com/2011/11/abs-and-service-light-comes-on.html
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http://howtobyme.blogspot.com/2011/11/abs-light-stays-on-but-brakes-work-fine.html
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http://schematicsdiagram.blogspot.com/2011/06/abs-and-traction-control-lights-stays.html
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http://howtobyme.blogspot.com/2011/11/abs-brake-lights-warning-indicator.html
-----------------------
http://whoisbyme.blogspot.in/2012/07/battery-light-and-abs-light-on-dash.html
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-----------
http://technoanswers.blogspot.com/2011/11/how-anti-lock-brakes-work.html
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http://technoanswers.blogspot.com/2011/11/brake-system-troubleshooting.html
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http://technoanswers.blogspot.com/2012/01/anti-lock-brake-light-stays-on-all-time.html
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ABS
light comes on and Car makes Grinding noise?
http://repairhelpcenter.blogspot.com/2012/01/abs-light-comes-on-and-car-makes.html
---------------
http://repairhelpcenter.blogspot.com/2011/11/abs-trouble-codes-for-all-1994-00-acura.html
------------
http://technoanswers.blogspot.in/2012/05/2008-toyota-highlander-abs-warning.html
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http://technoanswers.blogspot.in/2012/04/2003-lexus-es-vsc-trac-off-abs-lights.html
----------------
http://technoanswers.blogspot.in/2012/04/2008-toyota-highlander-hybrid-warning.html
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http://schematicsdiagram.blogspot.com/2011/12/abs-brake-warning-lights-remains-steady.html
------------
http://schematicsdiagram.blogspot.in/2012/02/can-i-drive-car-without-abs-fuse.html
-----------
http://schematicsdiagram.blogspot.com/2011/12/where-is-abstcs-module-located-on-2005.html
------------------
http://schematicsdiagram.blogspot.com/2012/01/abs-motor-keeps-running.html
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http://howtobyme.blogspot.com/2011/12/when-car-stopsabs-pump-turns-on.html
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http://technoanswers.blogspot.in/2012/02/replacing-abs-unit-on-buick-century.html
----------------
--------------
http://technoanswers.blogspot.in/2012/04/toyota-camry-premature-abs-actuation.html
-----------
How to replace ABS Modulator Control
Unit on Acura Integra?
http://repairhelpcenter.blogspot.in/2011/11/how-to-replace-abs-modulator-control.html
----------------
How to replace ABS Pump Assembly on
Acura Integra?
http://repairhelpcenter.blogspot.in/2011/11/how-to-replace-abs-pump-assembly-on.html
-----------
How to remove ABS Accumulator on
Acura Integra?
http://repairhelpcenter.blogspot.in/2011/11/how-to-remove-abs-accumulator-on-acura.html
---------
How to remove ABS Control Unit on
Acura Integra?
http://repairhelpcenter.blogspot.in/2011/11/how-to-remove-abs-control-unit-on-acura.html
------------
These details will help.
Thanks.
http://howtobyme.blogspot.com/2011/11/abs-and-service-light-comes-on.html
-------------------
ABS light stays on but brakes work fine?
http://howtobyme.blogspot.com/2011/11/abs-light-stays-on-but-brakes-work-fine.html
----------------
VCS and ABS lights go on and off
intermittently on Lexus?
http://howtobyme.blogspot.com/2011/11/vcs-and-abs-lights-go-on-and-off.html
-------------
The ABS and Traction
Control Lights stays ON dash of car?
http://schematicsdiagram.blogspot.com/2011/06/abs-and-traction-control-lights-stays.html
-------------
ABS & Brake lights warning indicator
steady on dash and speedometer not working for Dodge Ram?
http://howtobyme.blogspot.com/2011/11/abs-brake-lights-warning-indicator.html
-----------------------
Battery
Light and ABS Light on Dash
http://whoisbyme.blogspot.in/2012/07/battery-light-and-abs-light-on-dash.html
-------------
Sometimes ABS light comes on while
Driving?
http://howtobyme.blogspot.com/2011/12/sometimes-abs-light-comes-on-while.html
-----------
How Anti-Lock Brakes Work?
http://technoanswers.blogspot.com/2011/11/how-anti-lock-brakes-work.html
-------------
Brake System Troubleshooting?
http://technoanswers.blogspot.com/2011/11/brake-system-troubleshooting.html
-------------
Anti-lock brake light stays on all the time?
http://technoanswers.blogspot.com/2012/01/anti-lock-brake-light-stays-on-all-time.html
-------------------
ABS light comes on and Car makes
Grinding noise?
http://repairhelpcenter.blogspot.com/2012/01/abs-light-comes-on-and-car-makes.html
---------------
ABS trouble codes for all models?
http://repairhelpcenter.blogspot.com/2011/11/abs-trouble-codes-for-all-1994-00-acura.html
------------
2008 Toyota Highlander: ABS warning light Blinking and OBD Error
codes Coming?
http://technoanswers.blogspot.in/2012/05/2008-toyota-highlander-abs-warning.html
--------------
2003 Lexus ES: VSC, TRAC OFF, ABS lights ON?
http://technoanswers.blogspot.in/2012/04/2003-lexus-es-vsc-trac-off-abs-lights.html
----------------
2008 Toyota Highlander Hybrid: Warning Lights Abs, Vsc & Brake
Are On?
http://technoanswers.blogspot.in/2012/04/2008-toyota-highlander-hybrid-warning.html
-------------
ABS & Brake warning lights remains steady
on dash?
http://schematicsdiagram.blogspot.com/2011/12/abs-brake-warning-lights-remains-steady.html
------------
Can I drive the car without ABS fuse
connected?
http://schematicsdiagram.blogspot.in/2012/02/can-i-drive-car-without-abs-fuse.html
-----------
Where is ABS/TCS module located on 2005
Cadillac Deville
http://schematicsdiagram.blogspot.com/2011/12/where-is-abstcs-module-located-on-2005.html
------------------
ABS motor keeps running?
http://schematicsdiagram.blogspot.com/2012/01/abs-motor-keeps-running.html
------------
When the car stops, abs pump turns ON?
http://howtobyme.blogspot.com/2011/12/when-car-stopsabs-pump-turns-on.html
-----------
Replacing ABS unit on Buick Century?
http://technoanswers.blogspot.in/2012/02/replacing-abs-unit-on-buick-century.html
----------------
2008 Toyota Tacoma: ABS causes Brake pedal fade?
http://technoanswers.blogspot.in/2012/04/2008-toyota-tacoma-abs-causes-brake.html
--------------
Toyota Camry: Premature ABS Actuation?
http://technoanswers.blogspot.in/2012/04/toyota-camry-premature-abs-actuation.html
-----------
How to replace ABS Modulator Control
Unit on Acura Integra?
http://repairhelpcenter.blogspot.in/2011/11/how-to-replace-abs-modulator-control.html
----------------
How to replace ABS Pump Assembly on
Acura Integra?
http://repairhelpcenter.blogspot.in/2011/11/how-to-replace-abs-pump-assembly-on.html
-----------
How to remove ABS Accumulator on
Acura Integra?
http://repairhelpcenter.blogspot.in/2011/11/how-to-remove-abs-accumulator-on-acura.html
---------
How to remove ABS Control Unit on
Acura Integra?
http://repairhelpcenter.blogspot.in/2011/11/how-to-remove-abs-control-unit-on-acura.html
------------
These details will help.
Thanks.
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Usually answered in minutes!
First Toyota Service Department did computer test
no error to be found?
Second Toyota Service Depo gave us this
Misc Repair!
Engine warning lights on
Emps-U0121 Lost Com with Abs
Abs-C0200 R/f Speed Signal
-C0205 L/f Speed Signal
-C1300 Abs Ecu
-C1310 Hv Syatem
Recommended skid control Abs Ecu to start with?
no guarantees it well work?
No Abs,No Hazard lights,No Cruise control
warning light,all brake warning lights on ?????????
The brakes work and I can get it in gear and drive but I still do not have any brake lights
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