Multiplex G9, model year 9999. Filed by Firefly Integrations, LLC and reported to NHTSA on 21 August 2020. 2,487 vehicles potentially affected.
What the notice says Firefly Integrations, LLC (Firefly) is recalling certain Multiplex G9 units used for controlling equipment and accessories in motorhomes. These units can fail if excessive voltage is applied, causing the components on the board to become damaged.
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 20E058 cover?
- Multiplex G9.
- What is wrong with them?
- Firefly Integrations, LLC (Firefly) is recalling certain Multiplex G9 units used for controlling equipment and accessories in motorhomes. These units can fail if excessive voltage is applied, causing the components on the board to become damaged.
- What can happen if it is not put right?
- If too much voltage is applied to the unit and the circuit board becomes damaged, there would be an increased risk of a fire.
- Is there a fix yet?
- Firefly has notified the RV manufacturers that purchased the affected multiplex units and dealers for those RV manufacturers will add an additional circuit module to the existing component board to provide reverse polarity and over-current protection.
- 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 too much voltage is applied to the unit and the circuit board becomes damaged, there would be an increased risk of a fire.”
affected
in the notice
caught
| Campaign | 20E058 |
|---|---|
| Filed by | Firefly Integrations, LLC |
| System at fault | Equipment:Recreational Vehicle/Trailer |
| Reported to NHTSA | 21 August 2020 |
| Model years | 9999-9999 |
| Vehicles named | MULTIPLEX G9 |
What the notice says today
The consequence
If too much voltage is applied to the unit and the circuit board becomes damaged, there would be an increased risk of a fire.
The remedy
Firefly has notified the RV manufacturers that purchased the affected multiplex units and dealers for those RV manufacturers will add an additional circuit module to the existing component board to provide reverse polarity and over-current protection. Owners may contact Firefly customer service at 1-574-825-4600.
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 2,632 notices in the record whose component field names equipment. Across that group the median wait before owners were written to was 29 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 20E058, wording as read on 15 September 2026. https://carsmultiverse.com/recall/20e058/
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.
Other Multiplex notices we hold
- 25E009: model G12 Multiplex Electronic Control Module (ECM) units, part number 130010113A, installed in Thor Motor Coach
- 24E043: Multiplex G9 units used for controlling equipment and accessories in motorhomes
- 23E071: Multiplex HC Relay Cards with part number, 70516J
- 22E070: Multiplex Electronic Control Module (ECM), part number 7000701
All 5 Multiplex campaigns we hold · Every manufacturer in the record
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 20E058 on 23 August 2026, they were:
- Defect summary
65f62141 - Consequence
0dcb28d4 - Remedy
11ca2c58
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 20E058 · how the whole register is watched
Put this notice on your site
A small badge that links here and names the register's reference. It costs one line of HTML and needs no key.
The badge is free to use. It links to this page and nowhere else, and it never shows advertising.
Owners of these cars
No register publishes what happens after the letter. Owners do: tell us, in two taps.
Anonymous: no account, no cookie, nothing you type is stored beyond these choices. Figures appear once 3 owners have answered, and are published with the record under CC BY 4.0.