SL1 LED Headlamp Bulb (Diode Dynamics) – Headlight Performance (2020)
Excessive headlamp bulb brightness can create glare, increasing crash risk.
This AI-generated summary is provided for general informational purposes only and is derived from publicly available recall notices. It supplements but does not replace official agency classifications or safety instructions.
Check Your Product
According to the National Highway Traffic Safety Administration (NHTSA)
Product
DIODE DYNAMICS SL1 LED HEADLAMP BULB
Brand
DIODE DYNAMICS
Lot Codes / Batch Numbers
Not specified in NHTSA notice. Check official source for details.
Diode Dynamics, LLC is recalling certain DIODE DYNAMICS SL1 LED HEADLAMP BULB equipment due to exterior lighting:headlights:bulbs issues. If the bulbs cause excessive glare, or brightness for oncoming drivers, it can increase the risk of crash..
Summary derived from NHTSA notice
Reason for Recall
As stated by NHTSA
Diode Dynamics, LLC (Diode) is recalling certain SL1 LED replacement headlamp bulbs, part numbers DD0215P, DD0216P, DD0217P, DD0218P, DD0219P, DD0323P and DD0340P. These bulbs exceed the luminous flux standards for replaceable light sources, may cause excessive glare or brightness to oncoming drivers. As such, these bulbs fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 108, "Lamps, Reflective Devices, and Associated Equipment."
Reported concern (NHTSA)
If the bulbs cause excessive glare, or brightness for oncoming drivers, it can increase the risk of crash.
Recommended Action
Per NHTSA guidance
Diode will notify owners, and will replace all SL1 LED headlamp bulbs with halogen headlamp bulbs, free of charge. The recall began November 6, 2020. Owners may contact Diode customer service at 1-314-205-3033.
Verify this information on the official source
For complete details and official instructions, check the National Highway Traffic Safety Administration (NHTSA) directly.
View official NHTSA recall noticePage updated: Jan 10, 2026