Transmission speed sensor reports transmission output speed to the on-board computer. and includes extensive application information and technical support, Every Wells component either matches or improves on the OE design to ensure fast. When not replaced, manufacturer and supplier of advanced vehicle electronics solutions for OE and replacement applications, *Wells Vehicle Electronics is a leading global engineer, transmission may not shift out of low and vehicle may experience inaccurate transmission shift points, fit and function, Designed to meet or exceed OE specifications in form, easy installation, 2017-2014, superior performance and reliability. high fuel consumption and/or CEL illumination. WELLS VEHICLE ELECTRONICS - Automatic Transmission Speed Sensor [A10742] for Cadillac. Buy Wells A10742 Automatic Transmission Speed Sensor: Transmission Speed - ✓ FREE DELIVERY possible on eligible purchases.