If you have registered for 'Maker & Checker' facility, you can perform the registration and changes directly via Maybank2u. Alternatively you can still proceed with the registration and changes at any Maybank branch.
You can request for a TAC at Maybank2u.com and it will be sent to you by SMS if you have pre-registered your mobile phone number at the Branch before leaving the country.
You may receive an "error" message for the following reasons: