I know this is not my dept. I know most of you wish you could crack the code on the TCM. Well, alot of companies make devices that fool the computer into thinking every thing is OK. Such as boost foolers, and even our own SEGR was an EGR signal fooler. Just seems that would be a cheaper way to go, rather then reprogramming the code on the TCM. Just one of those thoughts I dreamt up today. Does any way know exactly how the TCM works, and what kind of signals it is looking for?

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20 year owner of Libby CRD!
2006 LTD Bright Silver loaded with all the needed mods, CCV intact.
Equipped with HDS thermostat, plenty of heat, faster warm-ups, increased fuel mileage.

Snap-on makes a (expensive) tool that can crack the F37. Ron Wolverton of Suncoast has cracked the codes for other Chrysler TCMs and PTCMs. The CRD crack is in the development stage. Others have used the same Snap-on tool to crack other TCMs and PTCMs. Sorry I did not note the tool, when I saw it, it meant nothing to me until I put two and two together when I asked Ron if he had a crack for the F37.
Don't give up or hold your breath either.
If we had encoder wheels like my Wife's TDI, we could put on encoder wheels with more slots and fool the TCM. Since we have hub bearings with built in encoder wheels, cracking the F37 is a better way to go.

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2006 Pearl Green CRD
Magnaflow 2 1/2" Cat Back
KJ Extra Leg Room Brackets, Carter Lift Pump, V6 Airbox, ORM
Fuel cooler, Oil Separator, Progard 7
Gauges EGT Boost Trans Temp Oil Pres, Michelin LXT AT2 245 70 R16
7,000# Draw Tight hitch, PML EX Deep Trans Pan
Centrifuge, SunCoast, Transgo, RAM TCM, InMotion Stage 2
Wife's 99 TDI VW Beetle

Good to know that some one is trying to crack the code. Now I hear that Dodge is going to be locking up the ECU on the 6.7 Cummins in such a way, that if you install an after market add on chip, it will cause the engine not to start, and set off a DTC U1601 code that only the dealer can clear, plus prevent you from reading any codes beyond that. http://forum.mopar1973man.com/showthrea ... #post10824

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20 year owner of Libby CRD!
2006 LTD Bright Silver loaded with all the needed mods, CCV intact.
Equipped with HDS thermostat, plenty of heat, faster warm-ups, increased fuel mileage.

The hardest code to crack is the "Pronoun Code" spoken by some wives. This, that, thing, it all have different meanings and you have to pay very close attention to determine what they are talking about. As long as they don't resort to the Pronoun Code, some one will crack it.

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2006 Pearl Green CRD
Magnaflow 2 1/2" Cat Back
KJ Extra Leg Room Brackets, Carter Lift Pump, V6 Airbox, ORM
Fuel cooler, Oil Separator, Progard 7
Gauges EGT Boost Trans Temp Oil Pres, Michelin LXT AT2 245 70 R16
7,000# Draw Tight hitch, PML EX Deep Trans Pan
Centrifuge, SunCoast, Transgo, RAM TCM, InMotion Stage 2
Wife's 99 TDI VW Beetle

I find the directions while driving "there! there! look where I am pointing!" very difficult to follow considering I have to watch where I am driving.

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http://www.Colorado4Wheel.com
"Its not about what you can DO with your Jeep, its about where you can GO with your Jeep."
Knowledgeable - But Caustic

Flman:

The boot loader on the Cummins has been cracked.

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HERS:'16 WK2 Limited EcoDiesel - GDE hot
HIS: '06 Liberty CRD - EHM , GDE eco, Brite Box, Stanadyne FM100, Cummins lift pump, OME lift
'06 Dodge/Cummins - Play truck; a couple of fans, a proper cam shaft, and man handled electrons by EFILive 500/900
'01 Dodge/Cummins - Work truck; Lots of mods