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Ole Greenie · 09-05-2017, 05:48 PM

Okay, Still having a hard time deciphering all the conflicting information. I've been told I don't have to reprogram the PCM and also that it needs to be reprogrammed. I've also been told that the pinouts are different between a 4L60E and a 4L65E (which I highly doubt). Could someone confirm this? (PCM was programmed for a 4L60E)

Texas speed says that it should work without reprogramming. What gives and what should I do?

Should I buy a code scanner and a programmer? Big bucks!!

Thanks...John

09-05-2017, 05:48 PM	#4
Ole Greenie Registered User Join Date: Apr 2010 Location: Hagerstown, MD Posts: 246	Re: 2002 LM7/4L65E Swap limp mode Okay, Still having a hard time deciphering all the conflicting information. I've been told I don't have to reprogram the PCM and also that it needs to be reprogrammed. I've also been told that the pinouts are different between a 4L60E and a 4L65E (which I highly doubt). Could someone confirm this? (PCM was programmed for a 4L60E) Texas speed says that it should work without reprogramming. What gives and what should I do? Should I buy a code scanner and a programmer? Big bucks!! Thanks...John __________________ John Paap Ole Greenie Hagerstown, MD My Mistress 70 CST Short/Step LS 5.3/4L65E New motor install Thread:http://67-72chevytrucks.com/vboard/s...d.php?t=667773