Question about 1999 Plymouth Grand Voyager

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What is a powertrain contol module do - 1999 Plymouth Grand Voyager

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The pcm (powertrain control module) monitors and controls all engine sensors. it also controls many other things including fuel pump, evap system, and tire monitors. its pretty much the heart of the whole car. all other modules like the TCM (transmission control module) and bcm(body control module) run through the pcm

Posted on Mar 12, 2011

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Posted on Jan 02, 2017

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SOURCE: changing out powertrain control module with identical used one

it depends on what vehicle it came off of. if it is off of the same vehicle you should be set but if it is off of a different vehicle it may not register with the ecm then you wil have to do a pcm relearn. but it should be really simple.

Posted on Mar 13, 2009

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SOURCE: Location of powertrain control module on 01 PT Cruiser?

The PCM attaches to a bracket welded on the dash panel

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Posted on Oct 31, 2009

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Code: U0140-LOST COMMUNICATION WITH BODY CONTROL MODULE What does this mean?


U0140 Lost Communication With Body Control Module

This generic "U" trouble code applies to all car makers and indicates a problem between the PCM and the body control module. This is likely the result of a problem in the data link between the two modules.

Is the U0140-LOST COMMUNICATION WITH BODY CONTROL MODULE also set?
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Perform the POWERTRAIN VERIFICATION TEST. See: Verification Tests\Powertrain Verification Test
NO: Replace and program the Powertrain Control Module.
Perform the POWERTRAIN VERIFICATION TEST. See: Verification Tests\Powertrain Verification Test

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