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

Recommended Tools & Savings

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Affiliate disclosure: We may earn a commission at no extra cost to you.

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.