B1601high severityBody
PATS Received Incorrect Key-Code from Transponder
on 2012 Ford Escape 2.5L I4 Duratec · AWD
What this code means
The immobilizer read the key transponder but the code did not match a programmed key. The engine start will be blocked.
Symptoms
- No-start condition
- Security light on
- Key rejected
Common causes
- Unprogrammed or wrong key
- Faulty key transponder
- Corrupt key data in module
- Antenna read interference
Diagnostic steps
- Scan for B1601
- Verify key is programmed to vehicle
- Test with a known good key
- Reprogram key or module
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ANCEL AD410 →
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Serious DIY~$100
BlueDriver Pro →
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Autel MaxiCOM MK808S →
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Autel MaxiSys MS906 Pro →
Full-system pro platform — topology mapping, ECU coding, the works.
✓ Autel official store
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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