MCP2004A: Misses Transition from TOFF -> Operational without Huge Time from Txe=1 to Txd=0 (GlennP)

I'm using the MCP2004A as my LIN interface chip. The state diagram shows a transition from TOFF -> Operation Modes when "CS=1 & Tdx=1 & Txe=1 & NoFault". I find that if I raise Txe 8 uSeconds before transmitting the LIN Header's starting break..