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Toyota Service
Toyota Service, Toyota Expert
Category: Toyota
Satisfied Customers: 4606
Experience:  30+ Yrs of auto experience, Award Winning Svc. Manager; Just Answer Customer's Choice Award Winner
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My name is ***** *****. I replaced Bank 2 O2 Sensor 2 on my

Customer Question

Customer: Hi. my name is ***** *****. I replaced Bank 2 O2 Sensor 2 on my 2002 Camry V6. I diagnosed the problem with a new 'launch OBD Book OBDII scanner. Once I installed the new sensor, I erased the code with the scanner. As soon as I started the car and drove forward, the VSC and TRAC lights came on instantly. The O2 problem seems to be fixed however now I've got these new problems. Did the scanner erase the VSC and TRAC settings in the EMC? If so, how would I reset them?
JA: Thanks. Can you give me any more details about your issue?
Customer: That's all I have to go by now. Never had VSC and Trac issues before.
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Submitted: 11 months ago.
Category: Toyota
Expert:  Toyota Service replied 11 months ago.

Hello. Welcome to Just Answer. Please allow me to assist you. Based on your description of the issues, I am inclined to think that you have two different issues happening here at the same time. Your scanner erased the B2S2 code, but it does not change any of the ABS/VSC/TRAC settings. I believe you also have a problem with the VSC or TRAC system (bad wheel speed sensor, etc). Note that not all scanners are compatible with this car. I would recommend that you have the car scanned with a compatible scanner and then address the additional codes that will be found (because the VSC and TRAC lights are on). Once you have this data, we can diagnose the issue further. Without the reason for the VSC and TRAC lights being on, we will be guessing at the possibilities. That could get real expensive and not fix the issue if we guess incorrectly.

Expert:  Toyota Service replied 11 months ago.

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