€199.95
Lost both NIU scooter remotes? The V35NB replacement ECU includes 2 remote key fobs and enables remote start on compatible scooters.
Free Shipping: 2-4 weeks · Express Shipping (+€20): 1-2 weeks
Description
Lost all NIU scooter remotes? Check ECU replacement
If no compatible working remote remains, the remote-copy service cannot make another one. For supported NIU scooters, the V35NB replacement ECU includes two remote fobs, allowing remote start without a mechanical ignition key. Confirm the scooter and ECU model with us before ordering. The available listing is for V3 / V35S / V35NB; ask us if you meant a different model such as “V25 MB”.
Before buying: This Chinese-market replacement ECU does not provide the overseas SIM connection used by the original NIU connected services. After installation, the NIU app, remote app functions, GPS tracking and location feature will not work. The supplied physical remote fobs can still start a compatible scooter.
Still have one working remote? Copy a spare remote instead. Need a mechanical key? Order a key from a clear photo or, for NGT / N1S without a usable photo, see the replacement ignition lock.
NIU Scooter ECU (Electronic Control Unit) Replacement
The NIU Scooter ECU (Electronic Control Unit) is the central control module of the scooter. It manages essential functions such as starting and shutting down the scooter, communication with the dashboard, app connectivity, and GPS tracking. If the ECU fails, the scooter may not start or communicate with the NIU app.
Lost both NIU scooter remotes? V35NB replacement ECU
The V35NB replacement ECU can be used if you have lost both original remotes for your compatible NIU scooter. It comes with two remote key fobs and enables remote start using the supplied fobs, without a mechanical ignition key. This remote-start function uses the key fobs; it does not restore NIU app connectivity.
If your scooter displays Error 67 or Error 99, the ECU is one of the most common causes. An ECU fault is one possible cause; diagnose the scooter before ordering a replacement.
For scooters equipped with the V3 ECU, we will supply a V35NB ECU as the replacement, as it is the recommended upgrade and is compatible with these models.
For the V35NB version, the package also includes:
- Two remote key fobs.
- No mechanical key is required to start the scooter.
Important Notes
- Every country uses a different cellular SIM configuration. After replacing the ECU, the original NIU app functions (including GPS and remote connectivity) will no longer work.
- The scooter itself will continue to operate normally after installation.
Video Guides
NIU ECU Replacement (Error 67 & Error 99):
How to Install a New NIU ECU:
Installation & Demo Videos
Product video: NIU error 67 or 99 diagnosis
Watch this EScootParts video for a demonstration, installation guidance or more product details.
Product video: NIU N1S ECU V35NB upgrade
Watch this EScootParts video for a demonstration, installation guidance or more product details.
2 reviews for NIU Scooter ECU (V3 / V35S / V35NB)
Show only reviews in English (1)
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niels v. –
Mooi product. Makkelijke installatie en goede service.
Matthias –
Finally, no more Error 99. Unfortunately, I keep getting Error 69 instead though that’s to be expected, since I don’t have the option to connect via the app (which was stated beforehand). The only downside is that there’s no way to set the clock; otherwise, it’s great.