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Ask Ted Ritter Your Own Question
Ted Ritter
Ted Ritter, Toyota Master Tech
Category: Toyota
Satisfied Customers: 4309
Experience:  Toyota Master Tech, ASE Certified
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2004 Prius instrument panel does not light up when starting

Customer Question

2004 Prius instrument panel does not light up when starting car or come on when driving. If I disconnect battery and then reconnect panel comes. On everything works
JA: Just to clarify, what are the exact lights you're talking about?
Customer: Instrument panel speedometer gas gauge etc.
JA: Are you fixing your Prius yourself? What have you tried so far?
Customer: Dealer could not find what was wrong and offered me $800 for car
JA: Anything else you want the mechanic to know before I connect you?
Customer: I have a mechanic available if needed
Submitted: 3 months ago.
Category: Toyota
Expert:  Ted Ritter replied 3 months ago.

Thanks for posting,

The dealer doesn't know what's wrong but they want to buy it from you for $800. Has anybody checked the 12 volt battery in the trunk? If the dealer did a complete diagnostic inspection they should have found some diagnostic information, I think that if you want to keep the car you should have a diagnostic check and get another opinion. If it needs an inverter, hybrid battery or a computer then it may not be worth keeping.

Customer: replied 3 months ago.
They did diagnostic and could not determine problem
Expert:  Ted Ritter replied 3 months ago.

Did they tell you what might be wrong, did they check the 12 volt battery?

Customer: replied 3 months ago.
I had new battery installed they were unable to give me answer what was wrong
Customer: replied 3 months ago.
They charged me $1400.00 and never were able to determine problem
Expert:  Ted Ritter replied 3 months ago.

That doesn't sound right at all, they charged you $1400 and didn't tell you why or exactly what they did to charge that much money, the car is not even worth that.

Customer: replied 3 months ago.
I had car towed to a mechanic I heard about and he resovled that car would operate if I disconnected battery every time be fore I start car
Expert:  Ted Ritter replied 3 months ago.

That's rididculus, you can't do that everytime you use the car, not sure what the problem is either not having access to your car so I could do some tests myself, it sounds to me like one of the computers may be the problem it may reset by disconnecting the battery, not sure how I can help other than what I've told you so far