Efforts to foster an attitude of religious tolerance in students within an educational setting relies on the reinforcement of literacy skills. This emphasis is grounded in the recognition that a genuine appreciation and respect for religious diversity are more likely to thrive within a literate society. Therefore, this research sets out to explore strategies for enhancing literacy skills through the prism of Islamic religious education (PAI, Pendidikan Agama Islam) course with the specific goal of fostering a climate of tolerance. Action Research was adopted as the research design, involving a sequential through three distinct phases: pre-action analysis, action implementation and post-action analysis. This research was conducted in a university in West Java by involving 120 participants, evenly distributed between 60 male and 60 female students. The outcome of this research delineates a structured framework comprising six pivotal stages of learning, in the acronym TADBIR. This framework serves as a strategic blueprint for religious literacy initiatives that employ a profound influence on the cultivation of religious tolerance. The TADBIR framework encompasses the following steps: Teaching the Tolerance Value, Analyzing Tolerance Verses, Discovering Solutions, Behavioring, Influencing and Reflection. The implementation of this TADBIR framework yielded a notable increase in religious tolerance toward a positive direction. This research concludes the pedagogical approach encapsulated in the TADBIR acronym is effective in enhancing religious tolerance among students with effectiveness score of 81.56%. The main contribution of this paper is how to map students' religious tolerance attitudes. Through an action research approach, this research tries to pioneer practical steps that can guide educational practitioners in increasing attitudes of religious tolerance through strengthening religious literacy.