Vehicle Component Codes

Definition of 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