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2015 FORD F-150
3.5L V6 EcoBoost•RWD•AUTOMATIC•gas•turbo
14 active safety recalls on this vehicle — view recalls
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Repairs418Labor995Torque7006Fluid18DTC3798Battery2Maintenance0Recalls14
B1602high severityBody

PATS Received Invalid Key-Code Format from Transponder

on 2015 Ford F-150 3.5L V6 EcoBoost · RWD

What this code means

The immobilizer received a key code in an invalid or unrecognized format. The system cannot validate the key so start is prevented.

Symptoms

  • Engine no-start
  • Security light on
  • Key not accepted

Common causes

  • Damaged key transponder
  • Signal interference at antenna
  • Wrong key type used
  • Faulty transceiver module

Diagnostic steps

  1. Scan for B1602
  2. Test with known good key
  3. Remove nearby transponders or interference
  4. Reprogram or replace key
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Other Body codes on this vehicle

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