CoC waffles a bit on the BoM:
long-standing questions about its historicity and in part because of perceived theological inadequacies, including matters of race and ethnicity."
At the 2007 Community of Christ World Conference, President Stephen M. Veazey ruled on a resolution to “reaffirm the Book of Mormon as a divinely inspired record” out of order. In so doing he stated that “while the Church affirms the Book of Mormon as scripture, and makes it available for study and use in various languages, we do not attempt to mandate the degree of belief or use. This position is in keeping with our longstanding tradition that belief in the Book of Mormon is not to be used as a test of fellowship or membership in the church.”%between%
They admit to problems with the BoM, and their affirmation of the Trinity is sufficient.