(Rumor) Ram locking down ecm’s of 19-21’s?

[madgoal1]

Thanks, good to know. I had HPFP done in May and aircleaner element changed to a previous AA version. Many regens so had them do the TSB Rev A in November but they didn't indicate the P/N.
Asked them to confirm the P/N last week and all they'd say was it's "up to date" and showed me where they installed the PA version at the pump change. Discovered my scanner can see some of the firmware P/Ns and the PCM is at P6401032PB. Changed the air filter back to the AB version like it had originally so maybe it will not regen so much.
Thanks again for your help.

No problem

 

[nonecknoprobz]

Just bought a used 2020 after about 200 miles got the P218F - No Reductant Flow code. I've read this thread called 2 different delete companies and talked to a couple mechanics. 4/5 said I will be good to delete the truck but the one said I'd lock out. Have we come to the conclusion that, it was myth and I'm good to go?

 

[CTF2019]

Just bought a used 2020 after about 200 miles got the P218F - No Reductant Flow code. I've read this thread called 2 different delete companies and talked to a couple mechanics. 4/5 said I will be good to delete the truck but the one said I'd lock out. Have we come to the conclusion that, it was myth and I'm good to go?

It’s a myth. Go ahead and get it tuned.

 

[nonecknoprobz]

It’s a myth. Go ahead and get it tuned.

Thank you

 

[Brutal_HO]

Just bought a used 2020 after about 200 miles got the P218F - No Reductant Flow code. I've read this thread called 2 different delete companies and talked to a couple mechanics. 4/5 said I will be good to delete the truck but the one said I'd lock out. Have we come to the conclusion that, it was myth and I'm good to go?

It’s a myth. Go ahead and get it tuned.

That turned out to be just a change in the (3rd?) CRC Ram added to the PCM code and the tuners took a while to get up to speed.

 

[CTF2019]

That turned out to be just a change in the (3rd?) CRC Ram added to the PCM code and the tuners took a while to get up to speed.

Makes sense. Pretty sure RaceME disables checksums, so wasn’t a problem for me.

 

[Thorvald]

Just adding to this, I just had P6401032PC installed in my PCM today while in for the DPF filter being full. No idea what changes it has (I had P6401032PB).