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Jeff Robins
Jeff Robins, ASE Certified Technician
Category: Car
Satisfied Customers: 86
Experience:  ASE Master Certified with L1. CA Smog Technician License EA150696
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Have a 2000 mitsubishi eclipse that has set a p1610 code.

Customer Question

Have a 2000 mitsubishi eclipse that has set a p1610 code. The car cranks but will not start. If I clear the code it sets almost immediatly when the car is cranked. I think the code has to do with the vehicle anti theft system. This car has been down for some time without any battery power. Is there a way to reset this??? thanks jim
Submitted: 9 years ago.
Category: Car
Expert:  Jeff Robins replied 9 years ago.

It looks like it is a problem with the anit-theft system. Code p1610 is for an Immobilizer System Malfunction, usually set because the wrong key code was picked up by the anti-theft system. The procedure for checking it says to use a spare key that has worked in the past and if that doesn't fix it, you'll either have to have a licensed locksmith with the ability to reprogram your car to your key come out, or take it into the dealership to have it reprogrammed.

The most likely cause for this is that haveing no battery power for a while as you described allowed the programmed key information to be lost.