[SOLVED] Dodge B1A72 Code: Dodge Passive Entry Antenna 2 Fix

The OBD code B1A72 for Dodge indicates an issue with the Passive Entry Antenna 2 system.

Symptoms include the Engine Light being ON.

The cause could be a faulty antenna, harness issues, or problems with related modules.

This is a moderate issue that should be addressed promptly.

To fix it, inspect the wiring and connectors for damage and ensure proper connections.

Repair Importance Level	10.0 (Out of 10)
Estimated Repair Time	Approximately 1.0 hour
Repair Difficulty Level	10.0 (Out of 10)

Symptoms of the Dodge b1a72 OBD Code

The Dodge B1A72 fault code typically triggers warning lights related to the passenger seat belt system.

Symptoms: Service Airbag Warning Light ON.
SRS (Supplemental Restraint System) malfunction indicated.
Possible loss of airbag deployment in case of an accident.

Causes of the Dodge b1a72 OBD Code

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The B1A72 fault code on a Dodge typically indicates an issue with the occupant restraint controller.

B1A72 can be caused by a faulty Passive Entry Antenna 2.
A Passive Entry Antenna 2 harness that is open or shorted.
A Passive Entry Antenna 2 circuit with a poor electrical connection.
A faulty Passive Entry Module (PEM).
A faulty Radio Frequency Hub (RF Hub) Module.

Fixing Dodge Error Code b1a72 Step By Step

Address the issue by inspecting the driver’s seat belt buckle switch for Dodge fault code B1A72.

To fix the Dodge OBDII code B1A72, start by reviewing the possible causes mentioned above and visually examining the corresponding wiring harness and connectors.
Check for any damaged components and inspect the connector pins for signs of being broken, bent, pushed out, or corroded.
If the wiring and connectors appear to be in good condition, proceed to reset the Occupant Restraint Controller (ORC) module using a diagnostic scan tool.
After resetting the module, clear the fault code and perform a test drive to see if the code returns.
If the code persists, consider replacing the ORC module with a new one to resolve the issue effectively.

Cost Of Fixing Dodge b1a72 Fault Code

Diagnosing and repairing fault code B1A72 on a Dodge may involve replacing the occupant restraint controller.

The cost to diagnose and fix the Dodge OBD code B1A72 depends on the estimated 1. 0hour repair time.

Labor rates usually range from $75 to $150 per hour, so the total cost could be between $75 and $150. The final cost may vary based on shop rates and the complexity of the repair.

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Details of the Dodge b1a72 OBD Code

Dodge fault code B1A72 relates to the Occupant Restraint Controller.

Dodge OBD code B1A72 means that there is a fault in the Driver Seat Track Position Sensor Circuit.

This code is triggered by the Occupant Restraint Controller (ORC) module based on input from the seat track position sensor.

The ORC module monitors the sensor to ensure that the driver’s seat is in the correct position for proper airbag deployment in the event of a crash.

Mechanic’s Tech Notes

For Dodge fault code B1A72, refer to detailed diagnostic information for troubleshooting guidance.

OBDII code B1A72 in a Dodge typically indicates a fault related to the Transmission Control Module (TCM).

To diagnose, check TCM power and ground using a multimeter.

Use a scan tool to confirm TCM communication over the CAN network.

Visually inspect wiring harnesses and connectors for damage, focusing on broken, bent, or corroded pins.

Reflash the TCM if necessary.

This process helps ensure proper power supply, data communication, and connector integrity, addressing potential causes of the B1A72 code.

FAQ

1. What does OBD code B1A72 indicate in a Dodge vehicle?

OBD code B1A72 in a Dodge indicates an issue with the Passive Entry Antenna 2 circuit. Check for faults in the antenna, harness, or related modules.

2. How can I diagnose the source of OBD code B1A72 in my Dodge?

Diagnose OBD code B1A72 in Dodge for Engine Light ON. Check Passive Entry Antenna 2, harness, PEM, RF Hub Module. Inspect wiring, connectors for damage, corrosion.

3. What are the common symptoms associated with OBD code B1A72 in a Dodge vehicle?

Common symptoms of OBD code B1A72 in a Dodge vehicle include Engine Light ON. Possible causes are faulty Passive Entry Antenna 2 or related wiring issues. Fix: Inspect and repair affected components.

Wrap Up

If your Dodge is showing OBD code b1a72, you may experience issues with the Occupant Restraint Controller (ORC) system.

This code typically indicates a problem with the passenger seat track position sensor.

The sensor may be faulty or there could be wiring issues in the system causing the code to trigger.

To address Dodge OBD code b1a72, start by inspecting the wiring harness and connectors related to the passenger seat track position sensor.

Check for any damaged wires, loose connections, or corrosion that may be affecting the sensor’s operation.

If no issues are found with