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PCM failure? P0605
http://www.lostjeeps.com/forum/phpBB3/viewtopic.php?f=5&t=92072
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Author:  Mrgabesir [ Thu Oct 07, 2021 1:38 pm ]
Post subject:  PCM failure? P0605

Jeep was running great, started it up, engine light on, limp mode, throwing P0700 and P0605, TCM ROM error. Does this mean the PPCM is shot? Any secondary tests I can do? Sources for new TCM? Thanks!

Author:  WWDiesel [ Thu Oct 07, 2021 4:00 pm ]
Post subject:  Re: PCM failure? P0605

Mrgabesir wrote:
Jeep was running great, started it up, engine light on, limp mode, throwing P0700 and P0605, TCM ROM error. Does this mean the PPCM is shot? Any secondary tests I can do? Sources for new TCM? Thanks!

What year model and engine?

Have this on file:
P0605 -- Powertrain Control Module Read Only Memory (ROM) Error
P0700 -- Transmission Control System (MIL Request)

First I would confirm you have good 12v power supply and grounds to the PCM & TCM.

Author:  Mrgabesir [ Tue Oct 12, 2021 1:01 pm ]
Post subject:  Re: PCM failure? P0605

Sorry, 2006 Liberty CRD

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