Do I need to change pcm

Asked by Ronald Jun 26, 2023 at 01:30 AM about the 2005 Dodge RAM 1500 ST RWD

Question type: Maintenance & Repair

I swap from a 2005. 4.7 to a 2006 4.7 but I have no
fire

2 Answers
720

Bob_ answered about a year ago

the control modules, the BCM, TCM and ECM all must be brought aboard~

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2,315

Jeff answered about a year ago

2005 4.7 is a 1 year only motor. I've seen different counts on tone wheel for cam and crank sensors. If the counts are wrong to the computer it won't spark or inject fuel. The wiring is different so changing computers won't work. You need the right year motor.

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