Question about 2002 Toyota Sienna

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Toyota Sienna 2002

Amber warning lights keep coming on and dealership suspects faulty ABS ECU (computer). Cost is $1500. Car is functioning fine...any other possible culprits?

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I have the same problem. I called modulemaster,com they cannot repair sienas's abs.

Posted on Aug 25, 2008

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If it's the ABS module, contact www.modulemaster.com and have them rebuild it - it's far cheaper (a couple hundred bucks) and they do a great job.

Posted on Aug 08, 2008

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These details will help.

Thanks.

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How to reset check engine light warning


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I have a 2002 jaguar vanden plas. The amber engine light stays light. The car performs fine with no other messages. I have hand a tune up at 38,000 miles at the local jaguar dealership. The car only...


The red light is for warning the amber is for caution so your caution light is on thats the amber the amber is reserved for local market like brake pads,oil change,or abs that affects steering stability, The information is exclusive only your driver handbook will define it

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I have toyota sienna 2002 . ABS warning is coming on and off while driving. I checked with the local mechanic. He changed the wheel air pressure censor and changed the connecting wires too. but still the...


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ABS light flashing when vehicle speed above 10mph than goes out at 15mph, (2002 Toyoya Sienna Van, 98674 miles on the odometer.


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  2. The wheel bearing speed sensor in a wheel is bad or intermittent which then tells the computer that wheel is traveling at a faster or slower rate of speed then the rest which in then the computer turns the abs light on.
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.

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Brake indicator lamb


My Chiltons manual for the toyota seinna 1998-2002 it says that with the lite always on means ecu malfunction and the action to take is ' ecu problem '. Sometimes these manuals leave a lot to be desired.

there appears to be a speed sensor on every wheel with the abs actuator assembly(including ecu) is attached to the brake booster.

the manual says. . . .The ABS computer(ECU) is mounted within the ABS actuator and is the ' brain' for the ABS system. The function of the computer is to accept and process information recieved from the wheel speed sensors to control the hydraulic line pressure, avoiding wheel lock up. The computer aslo constantly monitores the system, even under normal driving conditions, to find faults within the system.
If a problem develops within the system, an "ABS" light will glow on the dashboard. A diagnostic cod will also be stored in the computer and, when retrieved, will indicate problem area or component.

I hope this helps

Aug 10, 2009 | 2002 Toyota Sienna

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