LIGHTING ID CODES

The following chart "Lighting ID Codes" shows the DOT lighting code required to be visible on the light in accordance with SAE standards.

A Reflex reflector
A2 Reflex reflector for use on vehicles 2032mm or more in overall width
A3 Reflex reflector for conspicuity treatments (CT), for use on vehicles 2032 mm or more in overall width
A4 Reflex reflector for CT (vehicles > 2032mm in width) - 50mm wide [truck/trailer]
A5 Reflex reflector for CT (vehicles > 2032mm in width) - 75mm wide [truck/trailer]
A6 Reflex reflector for CT (vehicles > 2032mm in width) - 100mm wide [truck/trailer]
A7 Reflex reflector for CT (vehicles > 2032mm in width) - 25mm wide [truck/trailer]
C Motorcycle auxiliary front lamp
D Motorcycle and moto-driven cycle turn signal lamp
DL Distributed lighting system (headlamp)
DRL Daytime running lamp not optically combined with a headlamp low or high beam
E Side turn signal lamp - vehicles 12m or more in length
E2 Side turn signal lamp - vehicles less than 12m in length
E3 Rear facing side turn signal lamp
E4 Side facing side turn signal lamp
E5 Side direction indicator lamp
EVS1 Siren - interior location
EVS2 Siren -exterior location
EVS3 Siren -under hood location
F Front fog lamp
F2 Fog tail lamps
F3 Harmonized front fog lamp
G Truck cargo lamp
H Sealed beam headlamp
HC Headlamp center
HG Discharge forward lighting (headlamp)
HH Sealed beam headlamp housing
HR Replaceable bulb headlamp
HL Light Emitting Diode (LED) headlamp
I Turn signal lamp spaced greater than 100mm from headlamp
I3 Turn signal lamp spaced from 75mm to less than 100mm from headlamp
I4 Turn signal lamp spaced from 60mm to less than 75mm from headlamp
I5 Turn signal lamp spaced less than 60mm from headlamp
I6 Rear mounted turn signal lamp and front mounted turn signal lamps mounted 100mm or more from the headlamp, for use on vehicles 2032mm or more overall width
I7 Front mounted turn signal lamp mounted less than 100mm from the headlamp, for use on vehicles 2032mm or more in overall width
J1690 Flasher
K Front cornering lamp
K2 Rear cornering lamp
L License plate lamp
M Motorcycle and motor-driven cycle headlamp - motorcycle type
N Motorcycle and motor-driven cycle headlamp - moto-driven cycle type
O Spot lamp
P Parking lamp
P2 Sidemarker lamp for use on vehicles 2032mm or less in overall width
P3 Clearance, sidemarker and identification lamp for use on vehicles 2032mm or more in overall width
PC2 Combination clearance and sidemarker lamp for use on vehicles 2032mm in width ore more in overall width
Q Turn signal operating unit - Class A
QB Turn signal operating unit - Class B
QC Vehicular hazard warning signal operating unit
QD1 Turn signal operating unit for use vehicles 2032mm in width or more in overall width - Type 1
QD2 Turn signal operating unit for use vehicles 2032mm in width or more in overall width - Type 2
QE1 Hazard warning operating unit for use on vehicles 2032mm in width or more in overall width - Type 1
QE2 Hazard warning operating unit for use on vehicles 2032mm in width or more in overall width - Type 2
R Reversing (back-up) lamp
S Stop lamp
S2 Stop lamp for use on vehicles 2032mm or more in overall width
T Tail lamp ( rear position lamp)
T2 Tail lamp ( rear position lamp) for use on vehicles 2032mm or more in overall width
U Supplemental high-mounted stop and turn signal lamp
U2 High-mounted stop lamp for use on vehicles 2032mm or more in overall width
U3 Center high-mounted stop lamp for passenger cars, light trucks and MPVs
W Warning lamp for emergency, maintenance and service vehicles
W-1 Directional warning device - Class 1
W-2 Directional warning device - Class 2
W-3 Directional warning device - Class 3
W2 Warning lamp for school buses
W3-1 Optical warning device - Class 1
W3-2 Optical warning device - Class 2
W3-3 Optical warning device - Class 3
W4 Emergency warning device [triangular shape]
WS3-1 Selective coverage warning device - Class 1S
WS3-2 Selective coverage warning device - Class 2S
WS3-3 Selective coverage warning device - Class 3S
W6 School bus stop arm lamp
X Adaptive [forward] lighting system
Y Auxiliary high beam lamp
Z Auxiliary low beam lamp