Uprev claims to have a CARB-approved tune at
https://www.uprev.com/secure/uprev-carb-cal.html
“This tune is for people who have a license on their vehicle already and are not able to pass their states inspections. This is a performance tune so it is not stock settings. They meet all criteria for 100% C.A.R.B. approval. This will be permanently written over your current tune so that your vehicle is in compliance.”