Apple Cash is not linked to any card. Apple Cash is its own card managed by Green Dot Bank, it has nothing to do with your Wells Fargo account.
If your Apple Cash is restricted, see the following support document.
click here ➜ If your Apple Cash account is restricted or locked - Apple Support
Do you perhaps mean your Apple Account used for the App Store and iTunes? This is unrelated to Apple Cash.
If it's locked or disabled see the following support document.
click here ➜ If your Apple Account is locked, not active, or disabled - Apple Support