Back to 2018 Lincoln Navigator
Help
2018 LINCOLN NAVIGATOR
3.5L EcoBoost V6•4WD•AUTOMATIC•gas•turbo
12 active safety recalls on this vehicle — view recalls
Founding sponsor spot is openYour name on every procedure for this vehicle, permanently.Sponsor — $99 →
Repairs0Labor1003Torque8658Fluid18DTC2308Battery2Maintenance0Recalls12
B0003critical severityBody

Passenger Frontal Stage 1 Deployment Control

on 2018 Lincoln Navigator 3.5L EcoBoost V6 · 4WD

What this code means

Malfunction in passenger frontal airbag deployment circuit.

Symptoms

  • Airbag light on
  • Passenger airbag OFF indicator may light

Common causes

  • Faulty airbag module
  • Wiring under seat
  • Seat occupancy sensor
  • Airbag control module

Diagnostic steps

  1. Scan airbag codes
  2. Check passenger seat wiring
  3. Test occupancy sensor
  4. Inspect airbag connector

Repair notes

Professional airbag service required. Check seat occupancy sensor.

🔌 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 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 2018 Lincoln Navigator 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 Lincoln Navigator — $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 →