The OBD code B162A indicates a fault with the Left Low Beam Bulb circuit.
Symptoms include the Engine Light being ON.
Common causes are a faulty bulb, open/shorted harness, poor electrical connection, or a faulty Body Control Module.
This issue is not severe but should be addressed promptly.
To fix, inspect the bulb, 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 b162a OBD Code
The vehicle displays an airbag warning light on the dashboard.
- Symptoms: Service Engine Soon Warning Light ON.
- Possible loss of communication with the vehicle’s body control module.
- Difficulty starting the vehicle.
Causes of the b162a OBD Code
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Possible triggers for fault code B162A include issues with the occupant classification system sensor.
- B162A can be caused by a Faulty Left Low Beam Bulb.
- A Left Low Beam Bulb harness that is open or shorted.
- A Left Low Beam Bulb circuit with a poor electrical connection.
- Or a Faulty Body Control Module (BCM).
Fixing Error Code b162a Step By Step
To resolve fault code B162A, inspect and repair the driver’s seatbelt buckle switch circuit.
- To fix OBDII code B162A, first, review the possible causes mentioned above and visually examine the corresponding wiring harness and connectors.
- Ensure to check for any damaged components and inspect the connector pins for signs of being broken, bent, pushed out, or corroded.
- Next, check the circuit for proper voltage and continuity.
- If the wiring checks out, proceed to inspect the affected module for any faults or damage.
- Finally, reset the module or replace it if necessary to clear the fault code.
Cost Of Fixing b162a Fault Code
Diagnosing and repairing fault code B162A may involve inspecting and replacing the occupant classification system components.
The cost to diagnose and fix OBD code B162A 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. Actual cost may vary based on shop rates and the complexity of the repair.
Details of the b162a OBD Code
B162A code indicates a malfunction in the airbag system’s passenger occupant classification sensor.
OBD code B162A means Seat Track Position Sensor Potentiometer Circuit Failure.
This code is triggered by the Body Control Module (BCM) when it detects a circuit malfunction in the seat track position sensor potentiometer.
The seat track position sensor potentiometer is part of the seat adjustment system and is responsible for providing feedback to the BCM about the position of the seat.
When this sensor fails or its circuit malfunctions, the BCM sets code B162A to indicate the issue with the seat track position sensor potentiometer circuit.
Mechanic’s Tech Notes
Code B162A indicates a malfunction in the occupant classification system in the vehicle.
To diagnose and fix OBDII code B162A, 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 check connector pins for signs of being broken, bent, pushed out, or corroded.
This thorough inspection can help identify and resolve the issue causing the B162A fault code.
FAQ
OBD code B162A indicates an issue with the left low beam bulb circuit. Check the bulb, harness, and BCM for faults. Inspect wiring and connectors for damage or corrosion.
Common symptoms of OBD code B162A include Engine Light ON, caused by issues like faulty left low beam bulb or harness. Fix involves inspecting wiring and connectors.
Diagnose OBD code B162A by checking left low beam bulb, harness, and BCM. Inspect wiring for damage or poor connections. Fix as needed.

Wrap Up
If your vehicle displays OBD code b162a, you may experience issues with the airbag system, such as a malfunctioning airbag sensor, faulty wiring connections, or a problem with the airbag control module.
These issues can lead to the airbag warning light staying illuminated on the dashboard.
To address OBD code b162a, start by inspecting the wiring harness and connectors related to the airbag system.
Check for any damaged wires, loose connections, or corrosion.
Test the airbag sensor and control module for proper functionality, and replace any faulty components as needed to resolve the air