The objective was not to invent a new approach, but to confirm whether existing assumptions held true on the Sequoia and to identify any platform-specific differences that required accommodation.
Once this process begins, the connector housing often melts, and the seat heater shuts off completely. In severe cases, heat damage can extend into the seat heater control module itself. Toyota’s service bulletin addresses the issue by replacing the entire seat heater assembly, including the module and cushion cover, which is both costly and unnecessary for out-of-warranty vehicles. In fact in our customer discussion this morning, he was told this was an $1800 solution at the
