Question about 2005 Honda Civic

2 Answers

Codes P1433 and P1600 on Civic Hybrid

My 2005 Civic Hybrid has the same codes. My check engine and IMA lights are on, but the car is running OK.

Did you resolve your problem? Can you tell me what you did?



Posted by on

  • Anonymous Mar 26, 2014

    check engine

  • Anonymous Mar 26, 2014

    car is a hybrid flunked emissions test due to failing fault codes P1600 P1570 P1433 what to do?



2 Answers

  • Level 1:

    An expert who has achieved level 1.


    An expert that has over 10 points.


    An expert whose answer got voted for 2 times.

    Problem Solver:

    An expert who has answered 5 questions.

  • Contributor
  • 3 Answers

It turned out to be a failed IMA battery. Honda covered it under warranty, even though the car has a salvaged title, because it is part of the emissions system. A $3000 repair otherwise!

Posted on Nov 24, 2008

  • Level 2:

    An expert who has achieved level 2 by getting 100 points


    An expert that got 5 achievements.


    An expert whose answer got voted for 20 times.


    An expert who has answered 20 questions.

  • Expert
  • 60 Answers

Those codes are thrown when there is a momentary hicup in the electrical delivery from the battery pack. clear the codes and drive it, if they dont come back you are all good, it they do come back then you most likely have a corrosion issue between the battery monitor system and the battery

Posted on Nov 22, 2008

  • JohnSal Nov 01, 2013

    I had to call Honda Corporate to get them to replace my battery pack. They refused because of my salvaged title. However, the battery pack is part of the safety system and as such overrides the salvaged title, as all safety recalls do. So here we are 5 years later - and the codes are back. I borrowed a handheld code reader from a friend and cleared the codes, but the IMA and Check Engine lights came back up the 2nd time I started it. I am an electrical engineer and am tempted to tear into the battery pack myself. The reader identified the faulty cell.

  • JohnSal Nov 01, 2013

    The good news is, the 2005 Civic runs just fine (and gets almost the same 30 MPG) with this issue. Every model year after is not driveable if this happens. The real issue is getting it smogged next year! Any thoughts greatly appreciated.



1 Suggested Answer

  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

A 6ya expert can help you resolve that issue over the phone in a minute or two.
Best thing about this new service is that you are never placed on hold and get to talk to real repairmen in the US.
The service is completely free and covers almost anything you can think of (from cars to computers, handyman, and even drones).
click here to download the app (for users in the US for now) and get all the help you need.
Good luck!

Posted on Jan 02, 2017

Add Your Answer

Uploading: 0%


Complete. Click "Add" to insert your video. Add



Related Questions:

2 Answers

2003 Honda Civic Hybrid code P1601, i pulled the codes this morning and i got p1600, p1601, p1449, i dont know what to do can anyone help me with this Thank you

you need a repair book on that car so you can look up the codes or call Honda and see if they will give you the codes and tell you what is wrong is the car even running good you can also take it to auto that has a reader they can put it on and they can tell you what they mean.

Aug 03, 2017 | Honda Cars & Trucks

1 Answer

Engine code P1600 and P1449


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

Oct 09, 2014 | Honda Civic Cars & Trucks

1 Answer

Engine code P1600 and P1449 what do they mean?

P1600 IMA system malfunction. A P1600 code is a generic code that is set in the engine computer to tell you that there is a Hybrid system problem. In order to find out what is wrong with the Hybrid system, you will need to take the vehicle to a Honda dealer so that they can read the code in that system.
P1449 Battery module,battery module deterioration, battery module overheating, battery cell overheating. Either way you need to take the car to a Honda dealership to find out the actual cause of the P1600 and replace teh battery module

Oct 09, 2014 | Honda Civic Cars & Trucks

1 Answer

I have a honda civic hybrid 05 VIN: JHMES96605S024356. I had my engine light on as well as my IMA battery. I went to check it, got a p1433 and p1600 code that one of MIDAS mechanics told me to go to t

Hello there,

Apparently, from here
This means the battery is on the way out !!!!!
and here another forum
' Okay got your answer. p1600 is generic telling you there is a manufacture specific code and that becasue of the p1433.. This code is becasue of weak batteries. You will need to plan on battaries soon. They are spendy.'

And here

Sorry friend this is gonna cost thousands :(

This battery guy says he will provide assistance

Sep 20, 2014 | 2005 Honda Civic Hybrid

1 Answer

Honda civic hybrid code p1433 and p1600

The P1600 is a generic OBD II code. It just means that a more specific code (Honda) has been set. To find the specific code you have to take it to the dealer or have a Vetronics Mastertech scan tool to get the actual code. The P1433 indicates thats the the main battery contactor or the by-pass contactor is staying active when it should not. Using an Actron pocket code reader will only read generic OBD II codes. Hope this helps.

Apr 01, 2014 | 2005 Honda Civic

1 Answer

How do I trip my IMA check engine light again to redeem a warranty.

Error Code: P0A7F/78.
Description: Battery module deterioration.
-Check for poor connections or loose terminals at the battery
module, the battery current sensor, and the BCM module.

Jun 04, 2013 | 2005 Honda Civic

3 Answers

Codes P1433 and P1600


Oct 02, 2008 | 2005 Honda Civic

4 Answers

Check Engine Code P1600 and P1433 for Hybrid

DTC P1433 Battery Module Deterioration, need to replace the battery module. Info from HDS more info...

Aug 14, 2008 | 2004 Honda Civic

Not finding what you are looking for?
2005 Honda Civic Logo

2,791 people viewed this question

Ask a Question

Usually answered in minutes!

Top Honda Experts


Level 3 Expert

77939 Answers

Colin Stickland
Colin Stickland

Level 3 Expert

22306 Answers

Kevin Daniels

Level 3 Expert

1455 Answers

Are you a Honda Expert? Answer questions, earn points and help others

Answer questions

Manuals & User Guides