Join Date: Oct 2009
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The TCM is pretty weak on these trucks, when it comes to reprogramming. What job of truck do you have?
Take the old TCM, and send it to SCT and have them replace it anyhow, then you will have a spare.
Major TCM failure contribution factors:
-Low battery voltage during programming
-Low battery voltage in your scan tool/programming tool (if applicable)
-Scan tool/programming tool becoming disconnected during programming
-Programming tool locking up/freezing during programming
-Programming being loaded into the module is corrupt.
The TCM's in these trucks are pretty much JUNK, in my opinion.
Ford Senior Diesel Technician
2008 F-350 4x4 Off Road 6.4 Powerstroke Diesel
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