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Home >> Ford >> 2017 >> Focus S, Standard Trans, Gas/Ethanol >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Anti-Theft Systems >> Passive Anti-Theft System (Pats) - Vehicles With: Keyless Entry And Push Button Start (Except Electric Vehicle) >> Diagnosis And Testing >> Passive Anti-Theft System (PATS) >> Pinpoint Tests >> Pinpoint Test A : The Vehicle Does Not Start With The Passive Key In Certain Areas Within The Vehicle But Starts Using The Passive Key Backup Location >> Notes
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Pinpoint Test A : The Vehicle Does Not Start With The Passive Key In Certain Areas Within The Vehicle But Starts Using The Passive Key Backup Location: Notes

Refer to Passive Anti-Theft System for schematic and connector information.

Normal Operation and Fault Conditions 

REFER to: Passive Anti-Theft System (PATS) - System Operation and Component Description .

NOTE: Some brands/types of mobile phone or laptop computer chargers may cause interference that could lead to a PATS no-start if the passive key is within close proximity of the charger. If a concern is observed, move the passive key away from the charger and attempt to start the vehicle.

RFA Module DTC Fault Trigger Conditions 

DTC Description Fault Trigger Conditions
B10C7:1F Interior Trunk Antenna: Circuit Intermittent Sets when the RFA module detects an open, short to ground, or short to voltage from one of the rear PATS antenna circuits.
B10C8:1F Interior Centre Antenna: Circuit Intermittent Sets when the RFA module detects an open, short to ground, or short to voltage from one of the center PATS antenna circuits.
B10C9:1F Interior Front Antenna: Circuit Intermittent Sets when the RFA module detects an open, short to ground, or short to voltage from one of the front PATS antenna circuits.
B10D5:1F PATS Antenna: Circuit Intermittent Sets when the RFA module detects a short to ground or short to voltage from one of the center PATS antenna circuits.

Possible Causes