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Ask Ted Ritter Your Own Question
Ted Ritter
Ted Ritter, Toyota Master Tech
Category: Toyota
Satisfied Customers: 4432
Experience:  Toyota Master Tech, ASE Certified
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Just replaced left brake light bulb, noticing the gear shift

Customer Question

just replaced left brake light bulb, noticing the gear shift won't move out of park unless I turn the light switch on...and brake light is on when light switch is on
JA: Have you checked the brake fluid? How's the level and when was it last changed?
Customer: i didn't check that and not sure when last changed. Is it easy to check?
JA: What is the model/year of your Toyota?
Customer: 2004 Toyota sienna
JA: Are you fixing your Sienna yourself? What have you tried so far?
Customer: just changed the bulb and ended having these issues
JA: Anything else you want the mechanic to know before I connect you?
Customer: so...if brake fluid is low should i just add some?
Submitted: 1 year ago.
Category: Toyota
Expert:  Ted Ritter replied 1 year ago.

Thanks for posting

It's most likely an electrical issue at the rear, make sure the correct bulb is in the socket, the brake/tail light bulb is different from the turn signal bulb and the back up bulb, it has more contacts and can cause a feedback voltage if the bulbs are mixed up.