MSM Power and Grounds

WARNING: This page is about a different car, the 2007 Cadillac DTS. However, it is still accessible from the selected car via links, so may be relevant.

Battery positive voltage is supplied at all times to the memory seat module (MSM) from the following circuit breakers and fuse located in the rear fuse block:

MSM/LT FRT PWR SEAT Circuit Breaker: This voltage is used by the MSM to apply power to the driver seat and lumbar motors when commanded.
MSM/TILT STR WHL (DTS) Circuit Breaker: This voltage is used by the MSM to apply power to the steering column motors and the front passenger seat lumbar vertical motor when commanded.
MSM LOGIC/RF MASSAGE Fuse: This voltage is used to power up MSM.