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
WARNING: This page is about a different car, the 2018 Ford Focus. However, it is still accessible from the selected car via links, so may be relevant.
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
- Wiring, terminals or connectors
- Environmental interference
- PATS antenna
- RFA module