Question about 2002 Toyota Sienna

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My car key

I lost my 2002 toyota sienna key and the key has transponder how do I by pass the car computer brain box so that I can use my car.

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If you have a local locksmith you can trust, he should be able to get you into the car. He will need the VIN number.

Posted on Nov 21, 2008

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Posted on Jan 02, 2017

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2 Answers

How to bypass immobilize on a 2016 Toyota sienna threw keys in fire by accident and burnt the transponder


I'm not sure it's possible to bypass the immobolizer.
It may need to be towed to a Toyota dealer to have a new key/transponder programmed to the vehicle.
It may be possible to have a locksmith do it onsite...but that depends on the vehicle. Many have to be programmed by a dealer.

Feb 18, 2017 | Toyota Cars & Trucks

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What is envolved to program a new ignition switch


Hi found this link when researching your post , it would appear the 2004 sienna has to go to a dealer to be programmed , follow this link and see what you think about it
Toyota Transponder key programing

May 20, 2014 | 2004 Toyota Sienna

1 Answer

2002 Toyota Sienna


I have found a 2002 toyota key with the chip on it. Please let me know where you lost them!

Dec 28, 2011 | 2002 Toyota Sienna

1 Answer

My Toyota Siena 2002 model emits black heavy black smoke on motion. It jacks violently when climbing hill. My mechanic said I will change the brain box. Please help!


IS THE CHECK ENGINE LIGHT ON.IF YES COULD BE FAULTY PCM.BUT HAVE CAR CODE SCAN TO MAKE SURE BECAUSE YOU COULD HAVE A FUEL SOAK CHARCOAL CANISTER , WEAK IGNITION SPARK, FAULTY FUEL PRESSURE REGULATOR.AND LOW CYLINDER COMPRESSION ALL OF THESE THINGS WILL CAUSE BLACK RICH SMOKE MIXTURE.

Jan 26, 2011 | 1998 Toyota Sienna

1 Answer

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

1 Answer

Transponder key issue


Try disconnect battery for 30 minutes. Sounds like new key not synced with computer. Might need reprogram.

Jul 10, 2009 | 2001 Toyota Highlander

1 Answer

I lost my car key


The Dealer should be able to give you a new key by using the VIN number.  I have done this before myself.

Jan 09, 2009 | 2002 Toyota Camry

1 Answer

Transponder Key Programming


Keys are not all the same, it is possible the key you bought may not work, it should be searched by VIN by the dealer, and the dealer has to program with factory scan tool, should cost no more than .5 hours in labor.

Jan 05, 2009 | 2008 Toyota Sienna

1 Answer

My car key


i dont think you can that is why its there to stop illegal entry if you det in touch with toyota they will tell you what to do sorry joe

Nov 21, 2008 | 2002 Toyota Sienna

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