Mobile Banking App- Suggested feature for better ATM experience

This post shares an idea I've got for Mobile Banking smartphone applications. Any Bank or Banking software firm is free to adapt this idea, a credit will be appreciated.

This idea is related to saving time at the ATMs, for Bank as well as customers.

In current world, most of the banks have mobile apps and many transactions can be done using the mobile phone. However, I realize that there're additional potentials, if we can link Mobile app to ATM systems.

Here's how the feature can work and add value
As is scenario:
Customer goes to ATM, waits in the queue... after his turn comes, goes inside, keys in his details, amount to withdraw etc. In a happy day scenario,this works fine, but if there's not enough balance or if user has exceeded limits or any other error condition is a total waste of customer's time and ATM's time.

To be scenario:
When customer is waiting in line for his turn at ATM, he does the following:

1. Identifies the ATM on his phone (using his/her location, app can populate nearby ATMs and user can pick the right one
2. Inputs his request- amount to be withdrawn
3. App checks the following- ATM is working and has cash, Customer has enough balance and limit 
4. App communicates this info (Language, Amount to be withdrawn, current ac/saving a/c, receipt required/not required etc) to the ATM
5. ATM keeps this in memory. Once customer arrives at the machine and identifies himself (inserts card and enters PIN), system populates the input given via app (see #4 above). User doesn't have to key it in again. Saves time for user and saves time at ATM
6. User withdraws cash and leaves
7. If there're any errors identified in step #3 (Only 500 notes available, hence 2900 can't be returned; or customer has exceeded his limit or not enough balance etc) the error is communicated to the user and he/she can correct it while waiting in the line or leave immediately, without wasting any time

Advantages to the bank:

• Better customer satisfaction
• More transactions per ATM

 Advantages to the customer:

• Reduced time at ATM
• Quicker corrections of errors, if any

Pls note that making a request via mobile is not a replacement for traditional authentication. It is only a suggestive feature. User need to authenticate one more time using ATM and PIN at the machine and if there're some issues in between (after user checked on app and when he actually inserted card into the machine), there could still be errors.

What are your thoughts?

Also read: Credit card usage- Best practices * ICICI cycle banking * HSBC credit card issues * Axis Bank ATM Fraud experience * Credit card fraud experience *