Free API
Help
2024 MINI COOPER SE
Electric•FWD•AUTOMATIC•ev
2 active safety recalls on this vehicle — view recalls
Founding sponsor spot is openYour name on every procedure for this vehicle, permanently.Sponsor — $99 →
Repairs0Labor314Torque4618Fluid5DTC1878Battery1Maintenance0Recalls2
CC-ID-403moderate severityBody

Trailer Rear/Numberplate Light Fault

on 2024 Mini Cooper SE Electric · FWD

What this code means

A fault has been detected in the trailer's rear light or numberplate light circuit. This is raised by the trailer module monitoring the towing electrical system.

Symptoms

  • Trailer rear light not working
  • Numberplate light out
  • Warning shown when towing

Common causes

  • Blown trailer bulb
  • Corroded trailer connector
  • Damaged trailer wiring
  • Faulty trailer module

Diagnostic steps

  1. Inspect trailer rear and plate bulbs
  2. Check trailer connector pins for corrosion
  3. Test wiring continuity to lights
  4. Scan trailer module for faults
🔌 Don't have a code reader?
Any of these will read and clear this code — pick by how deep you want to go.
Budget handheld~$40
ANCEL AD410 →
No-phone-needed handheld — reads, clears, live data, freeze frame.
✓ ANCEL official store
Serious DIY~$100
BlueDriver Pro →
Enhanced codes (ABS, airbag, TPMS) plus repair reports.
SHOP FAVORITE
Shop-grade tablet~$300
Autel MaxiCOM MK808S →
Bidirectional tests, service resets, all systems.
✓ Autel official store
Pro diagnostics$1,500+
Autel MaxiSys MS906 Pro →
Full-system pro platform — topology mapping, ECU coding, the works.
✓ Autel official store
As an Amazon Associate and Autel/ANCEL partner, OLP earns from qualifying purchases — how we link. This never changes the specs we publish.

Other Body codes on this vehicle

🔌 Need this data in your app? It's all in the free API →
🔧 Database maintained under the daily editorial review of Chris Hackleman · Master Technician · 20+ years. Spot an error? Use the Help link above — a human reads every report.
Stuck on this repair? Take it to The Diag Desk — ask a master tech about this exact car → real human answer within 24h, never AI
Share:XRedditFBWhatsAppThreadsEmail
⚠ STILL BEHIND THE PAYWALL
The 2024 Mini Cooper SE repair data is incomplete because no one has sponsored it yet. For $99, we generate the full step-by-step procedures, then fact-check them with a second AI pass and your expert review. Your name on every procedure, permanently.
The same data would cost $169/mo from Mitchell1 or $30/year from ALLDATAdiy — and you'd be renting access, not freeing it. Sponsor once, free forever.
Sponsor the Mini Cooper SE — $99 →
Building an app?
Free API access to all this data — 10 requests/day, no card required.
Get an API key →
Run a shop?
Manage repairs, estimates, and customers with ShopBase — $249/mo, all features included.
Try ShopBase →