HCH I-Specific Discussions Model Years 20032005

engine codes 1590,1585,1600,1440

  #1  
Old 03-15-2019, 11:49 AM
ptb
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Default engine codes 1590,1585,1600,1440

I am looking to buy a USED 2005 HCH
it has the following 4 codes.
1590
1585
1600
1440

what is the fix ?

IMA battery, computer and MCM swap ????
 

Last edited by ptb; 03-16-2019 at 03:38 AM.
  #2  
Old 03-16-2019, 08:40 PM
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Default Re: engine codes 1590,1585,1600,1440

Run away from it!
 
  #3  
Old 03-17-2019, 03:42 AM
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Default Re: engine codes 1590,1585,1600,1440

I have another 2005 HCH that has FLY-WHEEL damage and does NOT move, but has good IMA battery.
so buying a used 2005 HCH with a bad IMA for the swap is perfect
just wondering about these other codes 1590,1585,1440
made offer of $1536......I don't think they will accept
 

Last edited by ptb; 03-17-2019 at 03:44 AM.
  #4  
Old 03-17-2019, 09:18 AM
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Default Re: engine codes 1590,1585,1600,1440

P1440 IMA system problem
P1585 motor current signal problem (25 diagnostic steps)
P1590 Motor current U phase signal circuit low voltage (18 diagnostic steps)

Bad sensor, broken wire, shorted wire, bad MCM. Probably worth just swapping the entire IPU bay.
 
  #5  
Old 03-30-2019, 02:16 PM
ptb
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Default Re: engine codes 1590,1585,1600,1440

help me understand the components of the entire IPU bay.

i know there is the IMA battery
I know there is a computer unit next to it.

what else ?

seller willing to let go at $1600 today
 
  #6  
Old 03-30-2019, 02:23 PM
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Default Re: engine codes 1590,1585,1600,1440

Originally Posted by ptb View Post
help me understand the components of the entire IPU bay.

i know there is the IMA battery
I know there is a computer unit next to it.

what else ?

seller willing to let go at $1600 today
Run!!!!!!!!!
 
  #7  
Old 03-30-2019, 02:27 PM
ptb
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Default Re: engine codes 1590,1585,1600,1440

I have another 2005 HCH that has FLYWHEEL issue.
so replacing IPU bay from one vehicle to the other is a RUN !!! situation ??
 
  #8  
Old 03-30-2019, 02:30 PM
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Default Re: engine codes 1590,1585,1600,1440


 
  #9  
Old 03-30-2019, 02:37 PM
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Default Re: engine codes 1590,1585,1600,1440

found this on UTUBE, looks like this is the IPU unit
take out , pop in the other ????

ok, plan to run and buy vehicle on Wednesday
bring both cars to hybrid shop and have them
swap out the IPU unit

hopefully this will zap all four engine codes
then take to shop to replace CVT fluid and burnish process
 

Last edited by ptb; 03-30-2019 at 07:18 PM.
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