Back to 2016 Tesla Model X
Help
2016 TESLA MODEL X
75 kWh Dual Motor AWD•AWD•AUTOMATIC•ev
12 active safety recalls on this vehicle — view recalls
Founding sponsor spot is openYour name on every procedure for this vehicle, permanently.Sponsor — $99 →
Repairs0Labor321Torque3049Fluid5DTC726Battery1Maintenance0Recalls12
C0440critical severityChassis

Automatic Emergency Braking System Fault

on 2016 Tesla Model X 75 kWh Dual Motor AWD · AWD

What this code means

General malfunction in the automatic emergency braking system.

Symptoms

  • AEB warning light
  • Automatic braking disabled
  • Forward collision mitigation unavailable
  • Driver assist systems degraded

Common causes

  • Radar module fault
  • Camera system error
  • Brake system unable to support AEB
  • Module communication failure

Diagnostic steps

  1. Check for radar and camera codes
  2. Verify ABS/brake system is fully functional
  3. Test communication between AEB controller and brake module
  4. Inspect all AEB-related sensors
  5. Check for software updates

Repair notes

Diagnose root sensor or brake system fault. AEB relies on both detection and braking subsystems.

🔌 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 Chassis 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 and Jeff Moore · Master Mechanic · 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 2016 Tesla Model X 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 Tesla Model X — $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 →