B2139high severityBody
PATS Ignition Key Transceiver Signal Not Received
on 2011 Ford F-150 3.5L V6 EcoBoost · 4WD
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
- Verify theft light behavior at key-on
- Check transceiver ring connector and wiring
- Test with a known-good key
- Replace transceiver ring or reprogram keys
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Other Body codes on this vehicle
B0001
Driver Frontal Stage 1 Deployment Control
B0002
Driver Frontal Stage 2 Deployment Control
B0003
Passenger Frontal Stage 1 Deployment Control
B0004
Passenger Frontal Stage 2 Deployment Control
B0005
Driver Knee Airbag Deployment Circuit
B0006
Passenger Knee Airbag Deployment Circuit
B0007
Rear Left Side Airbag Deployment Circuit
B0008
Rear Right Side Airbag Deployment Circuit
B0010
Driver Side Airbag Deployment
B0011
Driver Side Airbag Deployment Circuit Open