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2016 FORD F-150
5.0L V8 Coyote•RWD•AUTOMATIC•gas
14 active safety recalls on this vehicle — view recalls
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Repairs420Labor1001Torque8720Fluid18DTC2290Battery2Maintenance0Recalls14
B2139high severityBody

PATS Ignition Key Transceiver Signal Not Received

on 2016 Ford F-150 5.0L V8 Coyote · RWD

What this code means

The anti-theft module is not receiving a signal from the ignition key transceiver antenna ring. No OBD P-code equivalent exists for this body code.

Symptoms

  • No-start condition
  • Theft light flashing
  • Key not recognized

Common causes

  • Faulty transceiver ring around ignition
  • Damaged transceiver wiring or connector
  • Failed key transponder
  • PATS module fault

Diagnostic steps

  1. Verify theft light behavior at key-on
  2. Check transceiver ring connector and wiring
  3. Test with a known-good key
  4. Replace transceiver ring or reprogram keys
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🔧 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.
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