Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSFORD2012TRANSIT CONNECT L4-2.0LREPAIR AND DIAGNOSISA L L DIAGNOSTIC TROUBLE CODES ( DTC )TESTING AND INSPECTIONB CODE CHARTSB2103
2012 Ford Transit Connect L4-2.0L
B2103
2012 Ford Transit Connect L4-2.0LSECTION B2103
Anti-Theft
Pinpoint Test A: DTC B2103
Normal Operation
The Passive Anti-Theft System (PATS) transceiver reads the PATS (Passive Anti-Theft System) key when the key is turned to START or ON.
- DTC B2103 (Antenna Not Connected)- sets when there has been a PATS (Passive Anti-Theft System) transceiver antenna failure.
This pinpoint test is intended to diagnose the following:
- PATS (Passive Anti-Theft System) transceiver
PINPOINT TEST A : DTC B2103
A1 INSPECT THE PATS (Passive Anti-Theft System) TRANSCEIVER FOR CORRECT INSTALLATION
NOTE: Replacement of the PATS (Passive Anti-Theft System) transceiver does not require the PATS (Passive Anti-Theft System) keys to be programmed into the Instrument Cluster (IC) again.
- Ignition OFF.
- Verify the PATS (Passive Anti-Theft System) transceiver is correctly installed. Refer to Passive Anti-Theft System (PATS) Transceiver .
- Connect the scan tool.
- Ignition ON.
- Enter the following diagnostic mode on the scan tool: Clear the IC (Instrument Cluster) DTCs.
- Ignition OFF.
- Ignition ON.
- Enter the following diagnostic mode on the scan tool: Retrieve the IC (Instrument Cluster) DTCs.
Is DTC B2103 retrieved?
Yes
INSTALL a new PATS (Passive Anti-Theft System) transceiver. REFER to Passive Anti-Theft System (PATS) Transceiver . CLEAR the DTCs. CYCLE the ignition. REPEAT the self-test.
No
The system is OK.
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.