545rfe Trans in limp mode after swap

[Clatech]

Just swapped a 30,00 mile 2005 1500 Ram 5.7 with 545rfe into my old truck. Motor runs awesome but the trans is in limp mode. Did I miss something besides the solenoid power relay and the relay to break the ground when when the brakes are applied?

Already replaced the solenoid assembly twice, got a bad one the first time, and replaced the external pressure and both speed sensors.

Thanks!

 

[67Dart273]

I don't know what it needs. Does it need a sensor input from the rear axle, and or the front wheels? I am really not very familiar with them. "Service manual." Hope you have one for what that came out of

 

[mod5v]

I had to have the computer do a quick learn after replacing the solenoid pack in my 06 truck. It wasn't in limp mode but it shifted really hard. The "learn" fixed that.

 

[TT5.9mag]

I’m not sure about the 545 specifically but most modern computer controlled automatics will limp when they don’t have a VSS signal.

 

[dusted]

There are 2 wires that need to go back to ecm from the brake switch .

 

[Clatech]

Thanks everybody for your suggestions, they were all appreciated. I didn't realize that a Dodge ignition switch had a, Acc, Lock, Off, Run and Start position. So according to the manual, one of the power wires was to be energize in the off, run and start position so I assumed it was hot all of the time and connected it to a fused 12 volt always on source. So after many hours of studying the wiring diagrams, I finally saw and paid attention to the ignition switch schematic and saw my error. I moved the wire to a ignition switched sourced 12 volt and everything works fine. It shifts well and hauls *** just as it should.

 

[TT5.9mag]

Thanks everybody for your suggestions, they were all appreciated. I didn't realize that a Dodge ignition switch had a, Acc, Lock, Off, Run and Start position. So according to the manual, one of the power wires was to be energize in the off, run and start position so I assumed it was hot all of the time and connected it to a fused 12 volt always on source. So after many hours of studying the wiring diagrams, I finally saw and paid attention to the ignition switch schematic and saw my error. I moved the wire to an ignition switched sourced 12 volt and everything works fine. It shifts well and hauls *** just as it should.

Thanks for updating. Which wire?

Edited. Just realized we’re neighbors. I’m in norco.

 

[Clatech]

F1 Pink/White, #34 on the C130 connector.

I'm in Woodcrest, Born and raised there. I build the trophies For the Mopars in May shows.

 

[TT5.9mag]

Nice. I’m familiar with woodcrest. Bought my boat there and my dentist is there.