B1213 on 1997-2004 Ford F-150 (XL, XLT, Lariat, FX4, King Ranch) — Anti-Theft Number of Programmed Keys Is Below Minimum Value
1 vehicles · 1 makes · $100-$500 repair
Most Reported On
B1213 is an OBD-II diagnostic trouble code meaning “Anti-Theft Number of Programmed Keys Is Below Minimum Value.” A Ford/Lincoln/Mercury code from the PATS (Passive Anti-Theft System, also marketed as SecuriLock) immobilizer, used on 1996-and-later Ford vehicles. It means fewer than the required minimum number of coded keys are programmed to the module — normally two. In most cases the vehicle still starts and drives normally on a programmed key; the code is the system reporting that it has no valid spare. Programming requires two working coded keys and, on many model years, a dealer-level scan tool. This code is most commonly reported on 1997-2004 Ford F-150 (XL, XLT, Lariat, FX4, King Ranch), with repair costs ranging from $100 to $500.
Common Causes
Typical Repair Cost
Based on 1 documented vehicle-specific issues. Actual cost depends on root cause and vehicle.
Diagnostic Tools
B1213 does not use the standard P/B/C/U prefix. It may be a manufacturer-specific code, so verify that a scanner supports your exact year, model and module before buying.
FAQ
What does B1213 mean?
B1213 stands for "Anti-Theft Number of Programmed Keys Is Below Minimum Value." A Ford/Lincoln/Mercury code from the PATS (Passive Anti-Theft System, also marketed as SecuriLock) immobilizer, used on 1996-and-later Ford vehicles. It means fewer than the required minimum number of coded keys are programmed to the module — normally two. In most cases the vehicle still starts and drives normally on a programmed key; the code is the system reporting that it has no valid spare. Programming requires two working coded keys and, on many model years, a dealer-level scan tool.
What are the most common causes of B1213?
The most common causes of B1213 are: Only one key programmed after a key was lost, replaced, or added, PATS module, instrument cluster, or PCM replaced or reprogrammed without re-programming the full key set, Key programming session interrupted or a battery disconnect/dead battery during programming, Damaged or failed transponder chip in one of the keys, Faulty transceiver ring/antenna around the ignition lock cylinder, Wiring or connector fault between the transceiver and the PATS module. The specific cause varies by vehicle.
How much does it cost to fix B1213?
Repair costs for B1213 range from $100 to $500, depending on the vehicle and root cause.
Which vehicles are affected by B1213?
Au7o has documented B1213 across 1 vehicle models from 1 manufacturers: Ford.
Content compiled with AI assistance using NHTSA complaints, TSBs, and owner reports. May contain errors. Always verify with your vehicle's service manual.