1. Open your Google Authenticator App.
2. Hit the three dots in the top right hand corner
3. Select 'Settings'
4. Select 'Time Correction for Codes'
5. Select 'Sync Now'
6. Try logging in again. Your codes should be synced with the PlayWallet (PW)
If you are using an Apple Device, or are still having difficulties after attempting the above, please follow the steps outlined in this FAQ.