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, 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, and Capacitors