I got an automated phone call saying bank information is incorrect? is this a scam?

In a last ditch effort to get the stimulus money that was sent to the processing banks in error by the IRS they have been making phone calls to those clients who have not responded to the emails they sent.  So you can either update the info by 1/14  or the bank will return the money to the IRS on 1/15 and you will have to apply for the credit on the 2020 return if you are eligible to get it.  Your choice  ...  log into your account at the processing bank here :   

Santa Barbara Tax Products Group, LLC  (SBTPG) is the bank that handles the Refund Processing Service when you choose to have your TurboTax fees deducted from your refund. This option also has an additional charge from the bank that processes the transaction. 

You can contact them SBTPG, toll-free, at 1-877-908-7228 or go to their secure website www.sbtpg.com 

https://ttlc.intuit.com/questions/2580357-who-provides-the-refund-processing-service