I have three warnings, "brake", "ABS", and "IMS" on my 2004 Honda Civic Hybrid, but can't pull up the codes. How much do I have to spend to get a tool that will get these codes for me? How do I know which tools will do it?
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The P1600 code is usually a IMA fault, and the P1449 code is a battery deviation fault.
Both are usually early warning of some sort of hybrid battery issues.
You need to have a system tech give the hybrid system a good look over, but most likely your IMA battery pack is most likely suspect
take it in,
you think you can fix a hybrid at home?
if yes, dont get shocked.
and do read the FSM,
i can tell you didnt (very bad) because 1601 is in the BOOK.
RTM read the book what does it say?
read the vast number of warnings in the book first then touch tools.
many peolple and parts store sales persons as well. they should have used a memory saver.you need to break out your manual on audio.the code should be there, if you don't have one you can call the honda dealer with your vin number explain your problem and they will give you the code.
I have a 2006 Honda Civic Hybrid and have had hell with it. I have also learnt much about it too.
One thing bad about the HCH2, is that the 12V battery controls the electronics, and the Hybrid battery charges the 12V battery. However the 12V battery is not charged all the time, and cannot be charged when the IMA is usually being used, and in different scenarios. (Buy a Electronic volt meter which plugs into the 12V adapter $14 Walmart))
It is possible that the 12V battery is being drained while driving and caused a voltage drop which can cause your problem. In your case, I would change the 12V battery anyway as they do not last long on Hybrids. (You may have to get Honda to trip the IMA warning lights.) In my case, changing the 12v battery helped the hybrid battery as it was the electronics reporting the charge level wrong.
Depending where you live, you will have a minimum 80,000 mile warranty on the hybrid battery.
Take it to a autozone and have them pull the codes and tell you what is happening, it is most likely a 02 sensor not functioning properly. But have the codes pulled right away, andthey can tell you what it might be then post the codes here then we can tell you if you should wait or not. better safe than sorry. If you drive it and it brakes and you knew the light was on and di not get it checked right away you could void the warrenty.