BK Wheels — E-Bike Error Code Helper

1. What brand is the bike?

The code set belongs to the display and controller, not the name on the frame. Pick the system that matches the bike in front of you.

Not in Brooklyn? Build a one-page report — your bike, its codes, and everything you've noticed — to hand to your local repair shop.

Run a repair shop? Shop Pro unlocks every step, unlimited reports, and a bench matrix for your shop — $249.99/year, business EIN required.

Something wrong with the app or the website itself? The Tech Desk takes your report, logs it, and escalates what it can't solve to Oya.

Create a Shop Report

Outside BK Wheels' Brooklyn service area? Fill this in and hand the one-page report to your local repair shop. The report is $24.99 — at the end you'll check four boxes and pay, then it's created. Everything stays on your phone — nothing is uploaded.

Your name

Your name (required — it prints on the report, with the date and a report ID, so the report is yours)

Your bike

Brand / system Model Year Motor type Battery brand / model (from the battery label)

Error codes on the display

Add every code the display shows. Meanings come from the same verified chart this app is built on.

Add a code — brand / system Code set

Code not listed? Type it here, exactly as shown

Pick every problem you're having

This works like a menu — pick every problem that fits, as many as you want. Even small things. The shop needs the whole picture.

A problem that's not on the list? This box is required — if there's nothing else, write "Nothing else."

Last step — four checks, then payment

The report can only be created after all four boxes are checked and the $24.99 payment is complete. One payment creates exactly one report.

I've checked everything I know about. I understand this report is only as complete as what I've reported. I understand this report is not a diagnosis, not a quote, and not a safety certification. BK Wheels has not inspected my bike, and BK Wheels is not liable for problems I did not report or described wrong. I understand all repair work arising from this report SHALL be performed by a certified or licensed technician. I understand BK Wheels keeps anonymous issue counts from reports — brand, model, codes, and problems — to make future reports stronger. BK Wheels never collects my name or personal information with these counts.

We keep the issues, never the person.

Why pay for this report? Because it works for everyone.

For riders: You walk into any shop already knowing what your bike is telling you — no guessing, no paying for hours of hunting, and no repairs you didn't need.
For technicians: You start the job with the map already drawn — codes translated, symptoms documented, first checks laid out — instead of starting from zero.
For manufacturers: Your bikes get diagnosed right the first time — fewer wrong parts, fewer repeat problems, happier riders on your brand.

$24.99 once — against the $75–$135 a shop charges just to diagnose. And if you bring it to BK Wheels, every cent comes off your Full Diagnostic.

The report is created on this phone. Nothing is sent anywhere.

🏪 BK Wheels Shop Pro FOR SHOPS

The shop version of this helper — built for the bench, not the driveway. For businesses only: activation requires your business EIN (the IRS number on your tax paperwork).

What Shop Pro turns on

Every step unlocked — the full "check it in this order" steps for all 300+ codes, no paywalls.
Unlimited Shop Reports — no $24.99 per report. The four legal checkboxes still apply to each report (they protect your shop and your customer).
Bench Mode — the full cross-brand matrix (brands across, codes down) plus the complete common-issues library, sized for a shop tablet or the wall.
Your shop's name on every report — "Prepared by [your shop] — BK Wheels Shop Pro shop," alongside the BK Wheels branding and protections.

$249.99/year — one license covers one shop location, and Shop Pro stays on this device: activate it on the tablet or phone the shop actually uses.

Your business

Business name (required — it prints on your reports) Business EIN (required — 9 digits, e.g. 12-3456789) Owner / operator name Business phone Business email I certify this EIN belongs to my business and I'm authorized to use it. I understand BK Wheels may verify business details and may revoke access obtained with false information.

Activation happens on this device — Shop Pro stays on this device.

🛠 Tech Support — BK Wheels Tech Desk

For problems with this app or bkwheels.com — a screen that won't load, a code meaning that looks wrong, a report or payment problem. This desk does not do bike repair: for repairs and booking, go to bkwheels.com or call (347) 240-7787.

Straight talk about who answers: the Tech Desk is BK Wheels' AI support agent, supervised by Oya, our lead assistant. The Desk reads every report, logs it, and can explain how things work, collect the details of a problem, and route your issue to the right fix. What it cannot do: issue refunds, change prices, or make business decisions — those always go to Oya and Ray.

Try this first — quick self-help

My report won't generate. A report is created only after all four checkboxes are checked and the payment completes — one payment creates one report.

A code meaning looks wrong — or my code isn't listed. Every meaning here is verified code by code against factory manuals — and if the manual for your exact bike disagrees, the manual wins. If ours still looks wrong, that is urgent to us: report it below with the exact brand and code.

Shop Pro won't activate. The EIN must be exactly 9 digits and the certification box must be checked before the activation button lights up.

Before you write us

Reload the app once — close it, open it again, and try the same thing once more. Half of all glitches die right there.
Check you're on the latest version. This copy is the Error Code App — November 2026 build (code data: BK Wheels E-Bike Error Code Chart v1). If you're running something older, grab the fresh copy from bkwheels.com.
Note the exact code and brand, spelled exactly as the display shows them — 08 and E008 are different codes on different brands.
For a report or payment problem, have your Report ID ready if you received one (it's printed on the report).

Report an issue

What's the problem about? What happened? (required — plain words are fine: what you tapped, what you expected, what you saw) Your email — only if you want an answer back (optional)

Leave it blank if you don't need a reply — the report still counts. The Desk never asks for passwords, card numbers, or anything beyond this.

Attached to your report automatically — so the Desk can see your setup. This is everything that gets attached; nothing else travels with it:

Sending opens your email app with everything filled in — the Tech Desk (our support agent) reads every report and escalates what it can't solve to Oya, BK Wheels' lead assistant. Safety or wrong-code reports are treated as urgent.

FAQ — Our Programs & Your Data

Straight answers, in plain language. Tap a question to open it.

What is this app, and who made it?

BK Wheels, Inc. — a mobile bike and e-bike shop in Brooklyn, New York — built this helper. Every code and meaning in it comes from the BK Wheels E-Bike Error Code Chart, checked code by code against factory manuals and the brands' own support pages. The technician behind BK Wheels is a CEBA-certified e-bike technician (Canadian Electric Bicycle Association).

What does the Shop Report do — and what doesn't it do?

The report gives your repairing technician an idea of what the problem may be, based on the error codes and problems you report. It is a starting point for the shop's own inspection — not a diagnosis, not a repair quote, and not a safety certification. BK Wheels has not inspected your bike, and the report is only as complete as what you reported. One rule travels with every report: all repair work arising from it SHALL be performed by a certified or licensed technician.

Why does the report cost $24.99 — and why do I pay before it's created?

The $24.99 pays for the verified work behind it: hundreds of codes checked against factory manuals, written in plain language, with likely causes, safety flags, and a report built from your own answers. It's one time, per report — no subscription. Payment comes first because the report is created the moment you tap the button, right on your phone — once it exists, it can't be handed back. One payment creates exactly one report.

Why does the report cost money?

Because it works for everyone.

For riders: You walk into any shop already knowing what your bike is telling you — no guessing, no paying for hours of hunting, and no repairs you didn't need.
For technicians: You start the job with the map already drawn — codes translated, symptoms documented, first checks laid out — instead of starting from zero.
For manufacturers: Your bikes get diagnosed right the first time — fewer wrong parts, fewer repeat problems, happier riders on your brand.

$24.99 once — against the $75–$135 a shop charges just to diagnose. And if you bring it to BK Wheels, every cent comes off your Full Diagnostic.

What if I bring my report to BK Wheels for service?

Then the report costs you nothing extra. Bring your report to BK Wheels, Inc. for service and the $24.99 you paid for it is applied toward a Full Diagnostic ($125) — the fee comes off the diagnostic. You're in the tri-state area, so you get both: the head start the report gives, and BK Wheels' own bench work. Book at bkwheels.com or call (347) 240-7787.

What is the BK Wheels E-Bike Technician Training program?

It's BK Wheels' own hands-on training in e-bike electrical diagnosis and bench skills: how to read error codes, and how to test motors, controllers, throttles, and batteries with a tester and a meter — proving a fault before ordering parts. It covers the shop brands and the online brands (the ones sold straight to riders, with no dealer network behind them) that many shops won't touch. Students who finish earn a BK Wheels Certificate of Completion. To be clear: that certificate is not a government license, and it is not a CEBA certification — it's proof of completing BK Wheels' training.

What is BK Wheels mobile service?

BK Wheels is a mobile shop: instead of you hauling a heavy e-bike across town, the technician comes to you — Brooklyn and the wider tri-state area — for repairs, tune-ups, diagnostics, and flat fixes at your door. Book at bkwheels.com or call (347) 240-7787.

I'm outside your service area. Is this app still for me?

Yes — the Shop Report exists exactly for you. Fill in your bike, its codes, and everything you've noticed, and hand the report to a shop you trust near you. They start at step three instead of step zero.

Can I get a refund if the report doesn't solve my problem?

The report is a starting-point document, not a guaranteed fix — sometimes the real fault only shows up on a workbench, and no honest report can promise otherwise. If you believe something went wrong with your purchase, contact BK Wheels at (347) 240-7787. Refund requests are handled case by case — no blanket promise either way.

Do you sell my information?

No. Plain and absolute: BK Wheels does not sell your information. And as the next section explains, this app doesn't even send it to us.

Do you keep anything from my report?

We keep the issues, never the person. When a report is created, BK Wheels keeps anonymous issue counts — the brand and model of the bike, the error codes, and the problems reported — so every report helps make the next rider's report stronger. The counts never include your name, your personal information, or your own words from the write-in box; your name lives only on your own copy of the report, on your own device. That's why creating a report asks you to check a box saying you understand this: nothing about you is collected — only what the bike presented.

Is there a version for my shop?

Yes — BK Wheels Shop Pro, the business version of this helper, at $249.99/year. It's for business owners only: activation requires your shop's EIN (the 9-digit IRS number for your business) and a certification that it's yours to use. Shop Pro unlocks the full step-by-step checks for every code, makes Shop Reports unlimited (no $24.99 per report — the four legal checkboxes still apply to each one), adds Bench Mode (the full cross-brand code matrix plus the complete common-issues library, made for a shop tablet), and prints "Prepared by [your shop] — BK Wheels Shop Pro shop" on your reports, alongside the BK Wheels branding and protections. One license covers one shop location, and Shop Pro stays on the device you activate it on — so activate it on the phone or tablet your shop actually uses.

Can I copy this app or its code library for my own business?

No. The app, its verified code library, its plain-language explanations, and the Shop Report format are the proprietary property of BK Wheels, Inc., protected by copyright. The error codes themselves are facts published by the manufacturers — nobody owns a fact — but the verified compilation, the wording, and the report system are BK Wheels' work, and they may not be copied, scraped, or resold. One thing is always free and welcome: any shop may freely use a report a customer brings them — that is exactly what the reports are for.

Who do I contact if something's wrong with the app?

The BK Wheels Tech Desk — our AI support agent, supervised by Oya, BK Wheels' lead assistant. Use the Tech Support section: try the quick self-help first, then send a short report. Sending opens your email app with everything filled in — including your app version and device details, so the Desk can see your setup. The Desk reads every report, logs it, and escalates what it can't solve to Oya. Wrong-code and safety reports are treated as urgent. One honesty note: the Desk can explain, collect details, and route issues — it cannot issue refunds, change prices, or make business decisions. Those go to Oya and Ray.

How we protect you and your data

Everything runs on your device. What you type stays on your device — it is not uploaded to BK Wheels.
No account, no tracking, no ads. The only personal detail the app ever handles is the name you choose to print on your own report.
The report is created on your device and only goes where you send it — print it, save it, hand it to your shop.
If you share a report, the report travels inside the link itself — BK Wheels stores no copy on any server. Anyone who has the link can view that report, so share it only with people you choose.
We keep the issues, never the person. Creating a report includes a required checkbox: BK Wheels keeps anonymous issue counts from reports — brand, model, codes, and problems — to make future reports stronger. The counts never include your name or personal information. Your name lives only on your own report, on your own device.
Payment is handled by Stripe, our payment provider, on their secure pages. BK Wheels never sees or stores your card number.
Your report contains only what you entered. Nothing is added and nothing is pulled in from anywhere else.
If this ever changes — for example, if accounts or cloud storage are ever added — this policy will be updated and the change announced before it applies to you.

E-Bike Error Code Helper

1. What brand is the bike?

Which system?

⚠ First — check the battery model

🛑 Stop — do not use or charge that battery

Not sure what to do next?

2. What code is on the display?

Want it handled?