2003 Honda Accord Q&A
2003 Honda Accord Question: Why does battery have to be removed from the key, put back in for car to start?
I have to take the round silver watch type battery out of the key, then pop it back in, close the key back up, all just to get my 2003 Honda Accord to start. It will sometimes start after the 5th or 6th try without taking the batt out and putting it back in but most of the time I have to remove it, pop it back in to get the car to start. It turns over great, just wont start until I take batt out and put it back in. I even bought a brand new battery from Radio Shack, same problem. Turns over great, wont start though until I move the battery around. (except for sometimes it atarts the 5th or so time without doing the battery trick) the green key light and blinks when it wont start but dont when it does start. Thanks a Lotttt for any help! - marcpilot1
Try cleaning the terminals for the battery. Got another key? - pushrod
Unfortunately the only thing I can offer , without 'hands on' testing , is to bring it to a dealer and have the immobilizer system checked. Hopefully you get a competent tech and give all symptoms and what you've experienced. Could be a faulty key module or the receiver (around ignition assembly) is going bad. How many keys do you have and do they all respond the same? Any security system problems or problems with keyless access? New master key , including programming is about $165.00 in the D.C. area , don't know about S.C. - ziptie12
you're having an immobilizer system problem. The small battery you're describing is not the problem. The immobilzer system needs to be checked with Honda HDS type software and compatible hardware. I've also seen high resistance at the ground G101 cause this issue. - AOTL