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Dale99 · 11-07-2012, 07:48 AM

You have pcm, or ecm.

PCM=Powertrain control module.
ECM=Engine control module.

Main difference, if it controls the transmission and more (ABS, traction control, transfer case, etc). So that may just be a "ECM".

11-07-2012, 07:48 AM	#1898
Dale99 Registered User Join Date: Nov 2007 Location: NLR, AR Posts: 1,387	Re: PO has me PO'd You have pcm, or ecm. PCM=Powertrain control module. ECM=Engine control module. Main difference, if it controls the transmission and more (ABS, traction control, transfer case, etc). So that may just be a "ECM".