A parole violation hold is one of the most frustrating situations a family member can face from the outside, because the system has almost no obligation to explain itself while it plays out.
Here is the reality. A parole hold carries no bond. There is no amount of money that gets someone out while a violation is being investigated or processed. Your friend sits until the system decides what happens next, and that timeline is entirely at the discretion of the parole authority and the court. Months in county jail on a parole hold without resolution is not unusual. The system is not in a hurry.
The only people who know the specific reason for the hold are your friend and their parole officer. The PO initiated the hold based on information they had, whether that was a failed drug test, a new arrest, a missed check-in, or something else entirely. The facility holding your friend is simply executing the hold, not managing the case, which is why nobody there will give you answers.
What happens next is that your friend will eventually go before the original sentencing judge to answer for the violation. That judge has broad discretion and can impose anything from time served with new conditions all the way up to the full balance of the original sentence. There is no jury, the standard of proof is lower than a criminal trial, and the judge's patience for someone who violated the terms of their release is typically limited.
The lesson that never gets old is that the rules of supervised release exist for a reason. Once you are back inside on a violation, you have lost all control over your own timeline.