Vehicle Component Codes
All components are identified by a letter followed by an arbitrary number assigned to the component. The letter assigned to the component indicates the type of component.B Bulbs, Heated Screens, Mirror Demisters, Cigar Lighters, and Heated Washer Jets
K Relays, Solenoids, Speakers, and Resistors
M Motors
P Fuse Boxes and Fusible Links
X Switches and Sensors
Z Electronic Control Units, Modules, Shields, Diodes and Capacitors