OBD code B2103 indicates an issue with the Passive AntiTheft System (PATS) Transceiver Antenna.
Symptoms include the Engine Light being ON.
Causes may include a faulty transceiver antenna or related wiring issues.
This is a moderate issue that can affect vehicle security.
To fix, inspect the transceiver antenna, wiring harness, and connectors for any damage or poor connections.
| Repair Importance Level | 10.0 (Out of 10) |
| Estimated Repair Time | Approximately 1.0 hour |
| Repair Difficulty Level | 10.0 (Out of 10) |
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Symptoms of the b2103 OBD Code
The vehicle displays a warning light indicating a fault with the occupant classification system.
- Symptoms: Service Engine Soon Warning Light ON.
- Possible loss of communication with the instrument cluster.
- Intermittent issues with the vehicle’s electrical systems.
Causes of the b2103 OBD Code
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B2103 code typically indicates a fault related to the driver’s door key cylinder switch circuit.
- B2103 can be caused by a faulty Passive AntiTheft System (PATS) Transceiver Antenna.
- A disconnected Passive AntiTheft System (PATS) Transceiver.
- A faulty Passive AntiTheft System (PATS) Transceiver.
- A Passive AntiTheft System (PATS) Transceiver harness that is open or shorted.
- A Passive AntiTheft System (PATS) Transceiver circuit with a poor electrical connection.
Fixing Error Code b2103 Step By Step
To address fault code B2103, inspect and repair the circuit for the driver’s door key cylinder switch.
- To fix the OBDII code B2103, first, review the possible causes related to this code.
- Visually examine the wiring harness and connectors associated with the circuit mentioned in the diagnostic trouble code.
- Check for any damaged components along the circuit.
- Inspect the connector pins for any signs of being broken, bent, pushed out, or corroded.
- Repair or replace any damaged wiring or connectors found during the inspection.
- Clear the fault code from the vehicle’s computer memory using a scan tool.
- Perform a road test to ensure the issue has been resolved.
Cost Of Fixing b2103 Fault Code
Diagnosing and repairing fault code B2103 may involve inspecting and replacing the occupant classification system components.
The cost to diagnose and fix OBD code B2103 depends on the estimated 1. 0hour repair time.
Labor rates usually range from $75 to $150 per hour, so the general cost could be between $75 and $150. The final cost may vary based on shop rates and the complexity of the repair.
Details of the b2103 OBD Code
B2103 code indicates a fault in the driver’s door key cylinder switch circuit.
OBD code B2103 means Antenna Not Connected.
This code is triggered by the Body Control Module (BCM) when it detects that the antenna for the keyless entry system is not properly connected or is malfunctioning.
The keyless entry system uses the antenna to communicate with the key fob, allowing for functions like remote locking and unlocking of the vehicle.
When the BCM detects that the antenna is not connected, it sets code B2103 to indicate this issue.
Mechanic’s Tech Notes
Code B2103 relates to a fault in the driver’s door key cylinder switch circuit.
To diagnose and fix OBDII code B2103, start by checking the Transmission Control Module (TCM) power and ground using a multimeter.
Verify TCM communication over the Controller Area Network (CAN) using a scan tool.
If the TCM does not respond, reprogramming or reflashing may be necessary.
Visually inspect the wiring harness and connectors for any damage, and ensure connector pins are not broken, bent, pushed out, or corroded.
This thorough inspection will help identify and address any issues causing the B2103 fault code.
FAQ
OBD code B2103 indicates an issue with the Passive AntiTheft System (PATS) Transceiver. Check for faults in the transceiver, wiring, and connectors for repair.
Common symptoms of OBD code B2103 include Engine Light ON, caused by issues like faulty PATS transceiver or wiring harness problems. Inspect and repair as needed.
Diagnose OBD code B2103 by checking for faulty PATS transceiver components, inspecting wiring harness, connectors, and pins for damage or corrosion.
Wrap Up
If your vehicle is displaying OBD code b2103, you may experience issues with the airbag system, such as the airbag warning light staying on.
This code typically indicates a problem with the front crash sensor circuit on the passenger side, potentially caused by a faulty sensor, damaged wiring, or poor connections.
To address OBD code b2103, start by inspecting the wiring harness and connectors related to the passenger side front crash sensor.
Look for any signs of damage, corrosion, or loose connections.
Test the sensor itself for proper operation and replace it if necessary to resolve the issue.
