I didn't get the email, but it's listed for my truck on the mopar website, also "remedy not yet available" which is normal now days.
If you read the associated documents linked at the bottom of the notice, it specifically names the CP4.2 as the issue.
It also states that the recall covers 29,279 Jeep Grand Cherokees with engines produced between December 2012 and October 2019 which I'm pretty sure covers all the Jeeps. And 109,366 Rams with engines built between June 2013 and December 2019. FCA conducted an internal investigation from february 2022 to May 2022 and found 215 customer assistance records, 1061 warranty claims and 3 field reports of failures.
So of 138645 vehicles there were 1279 reported failures or 0.92%. It's very likely that there were unreported failures so call it 1% (which is noted on the same document).
I'm really surprised that NHTSA acted on the HPFP failure for this engine but not the VWs that also use a version of the Bosch CP4. NHTSA investigated the failures in the VWs in 2012 and determined there was not enough evidence to warrant a recall. IIRC, it was estimated that about 10% of the VWs from 2009-2012 had failed pumps. My thoughts were that since there was no loss of life, there was no reason for NHTSA to issue a recall.
If that is the case, then maybe someone should push to have that reopened. I'm not sure what the failure rate was on the Cummins but if 1% is good enough for the EcoD then 10% is a no-brainer. the report also states that there are no known accidents or injuries as a result of HPFP failure on the EcoD