1. Generally speaking, the overdue credit card of CCB may lead to untimely deduction.

2. Details of the main points are as follows:

A. First of all, the overdue credit card of CCB means that the cardholder fails to repay the credit card bill on time. After the expiration, the bank may take measures such as prohibiting consumption and raising interest to limit the cardholder's right to use the credit card.

B. Secondly, even if the cardholder's bank card has enough funds, the bank may delay the deduction due to the restrictions caused by overdue. This means that even if there is enough money on the bank card, the mortgage can't be deducted immediately.

C. In addition, the delay of bank card deduction may be affected by other factors, such as banking system problems and technical failures. These factors may lead to the uncertainty of the deduction time, further delaying the repayment of the mortgage.

3. To sum up, the overdue credit card of CCB may lead to the untimely deduction of the bank card, which will further affect the mortgage repayment.

4. Extended information:

According to the laws and regulations related to credit cards and the policies of China Construction Bank, cardholders should pay back on time to avoid the impact of overdue. It is suggested that cardholders should prepare for repayment before the credit card expires to avoid the problem of overdue credit card. If it is overdue, the cardholder should contact the bank as soon as possible to find out the repayment situation and take corresponding measures. In addition, it is suggested that cardholders pay attention to the success of bank card deduction and communicate with banks in time to solve the problem of delayed deduction, so as to ensure the timely repayment of mortgage loans and avoid the possible adverse effects of overdue fees and credit records.