PCM Replacement

mituk

mituk

New member
One of my jeeps (JK 2007 X) had a problem passing SMOG.
Went to dealer and they said that PCM need to be replaced, that power module inside failed.

And here is the shocker - they quote $1500 for PCM module and $2300 total with labor.

How hard is to replace PCM? (I guess it is pretty simple, plug-out and plug-in)
I see I can get it for ~$400.
What are the reliable sources for PCM?
 
Are PCMs and ECUs Different components? if not, replacing the PCM should take 20 minutes tops. I'm not sure the location on a '07, but on my '13 it is right in the open and only has a couple of bolts and two cable packs. IMG_2175.jpeg
 
PCM is essentially your fuse box. Power control module. It's not terrible to get out but it's not a 20 min R&R.
 
ECM or PCM? I think that term is used inter-changeable for 'computer box'.
I will get to dealership tomorrow to confirm what they are talking about.

I wonder if they talk about TIPM, the guy one the phone started to talk about power module, and than about computer ....
 
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The issue is every manufacturer has their own acronym. I may have had that mixed up.
ECM- engine control module. (Engine only)
TCM- trans control module. (Trans only)
PCM- Power train control module. (Engine and trans.

PDM- Power Distribution module. (Fuse box)
TIPM- think this is Total Integrated Power Module (overpriced fuse box)

I was thinking PDM not PCM
 
UPDATE:

Confirmed - its PCM - 05150466AA - which needs to be replaced.
Apparently PCM is not sending correct signals to evap purge selenoid and that's generating bunch of 'check engine codes' and 'EVA' trigger is not clearing.

I will look for new/refurbished PCM and install myself ... no way to pay $2500 (part & labor) to dealer for it.
 
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