Diode Dynamics Sl1 Led Headlamp Bulb, model year 9999. Filed by Diode Dynamics, LLC and reported to NHTSA on 13 October 2020. 27,890 vehicles potentially affected.
What the notice says 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 …
Is your vehicle included? Check with your VIN at NHTSA, or ask a dealer. This page is an independent copy of the notice, kept so you can see what changed after it was published. It is not the authority, and the authority’s own text is the one to act on.
What owners ask about this recall
- Which vehicles does recall 20E077 cover?
- Diode Dynamics SL1 LED Headlamp Bulb.
- What is wrong with them?
- Diode Dynamics, LLC (Diode) is recalling certain SL1 LED replacement headlamp bulbs, part numbers DD0215P, DD0216P, DD0217P, DD0218P, DD0219P, DD0323P and DD0340P.
- What can happen if it is not put right?
- If the bulbs cause excessive glare, or brightness for oncoming drivers, it can increase the risk of crash.
- Is there a fix yet?
- Yes, and it is free. 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.
- What should I do now?
- Check your own vehicle by its VIN with NHTSA, which is the record to act on.
Answered from the register this site holds. NHTSA is the record to act on.
What the authority says can happen if this is not fixed: “If the bulbs cause excessive glare, or brightness for oncoming drivers, it can increase the risk of crash.”
affected
in the notice
caught
| Campaign | 20E077 |
|---|---|
| Filed by | Diode Dynamics, LLC |
| System at fault | Exterior Lighting:Headlights:Bulbs |
| Reported to NHTSA | 13 October 2020 |
| Model years | 9999-9999 |
| Vehicles named | DIODE DYNAMICS SL1 LED HEADLAMP BULB |
What the notice says today
The consequence
If the bulbs cause excessive glare, or brightness for oncoming drivers, it can increase the risk of crash.
The remedy
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.
What it said before
This campaign is in the register but not yet in the dated wording archive, so we cannot yet say whether its text has moved. It enters the archive on the next pass.
This is one of 663 notices in the record whose component field names exterior lighting. Across that group the median wait before owners were written to was 43 days.
Last checked . No change has been recorded in the wording.
How to cite this record
Quoting the wording on this page means quoting a version, so the date belongs in the citation:
CarsMultiverse, recall 20E077, wording as read on 16 September 2026. https://carsmultiverse.com/recall/20e077/
The cross-border matches used on this site are deposited as a citable dataset: doi:10.5281/zenodo.22087136. The recall wording itself is published by the national authority named above and is theirs, not ours.
The recall record and its wording are published by the US National Highway Traffic Safety Administration and are US Government public domain. The dated archive, the comparison and any before-and-after above are CarsMultiverse. How fresh every engine behind this page is, is public on the status page. To check a specific vehicle, use NHTSA’s own VIN lookup.
The fingerprint of this notice
We take a SHA-256 of each of the three blocks of text the authority publishes and keep the first eight characters. As we last read campaign 20E077 on 23 August 2026, they were:
- Defect summary
8855d29c - Consequence
4fb4f5f1 - Remedy
40ff8123
We first read this notice on 21 August 2026. It has not moved since. If it ever does, these characters will not match, and the change will be dated here.
The wording we hold for 20E077 · how the whole register is watched
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