The OBD code B1433 for Nissan indicates an issue with the Right Seat Belt PreTensioner 2 circuit.
Symptoms include the Air Bag Warning Light being ON.
The cause could be a faulty pretensioner, open/shorted harness, or poor electrical connection.
This is a serious safety concern.
To fix, inspect the wiring harness, connectors, and components for damage or corrosion.
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 Nissan b1433 OBD Code
The vehicle displays an error code B1433 on the Nissan’s diagnostic system.
- Symptoms: Air Bag Warning Light ON
Causes of the Nissan b1433 OBD Code
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B1433 in Nissan indicates a fault in the driver’s airbag module circuit.
- B1433 can be caused by a faulty Right Seat Belt PreTensioner 2.
- A Right Seat Belt PreTensioner 2 harness that is open or shorted.
- A Right Seat Belt PreTensioner 2 circuit with a poor electrical connection.
- A faulty Air Bag Diagnosis Sensor Unit.
Fixing Nissan Error Code b1433 Step By Step
Address the issue by inspecting the airbag control module and related wiring for faults or damage.
- To fix Nissan OBDII code B1433, start by reviewing the possible causes mentioned above.
- Visually examine the wiring harness and connectors related to the airbag system.
- Check for any damaged components and inspect the connector pins for signs of being broken, bent, pushed out, or corroded.
- If no visible issues are found, proceed to check the airbag control module for proper connection and functionality.
- Perform a reset on the airbag control module to clear any stored fault codes.
- If the issue persists, consider replacing the airbag control module with a new or knowngood unit.
Cost Of Fixing Nissan b1433 Fault Code
Diagnosing and repairing fault code B1433 on a Nissan may involve replacing the driver airbag module.
The cost to diagnose and fix Nissan OBD code B1433 typically ranges from $75 to $150, based on a 1. 0hour repair time.
Factors like shop rates and complexity can affect the final cost.
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Details of the Nissan b1433 OBD Code
The fault code B1433 in a Nissan indicates an issue with the driver’s airbag module.
Nissan OBD code B1433 indicates an error with the driver airbag module.
This code is triggered by the airbag control unit (ACU) when it detects a fault in the driver airbag module circuit.
The driver airbag module is part of the vehicle’s supplemental restraint system (SRS), which is designed to deploy in the event of a collision to protect the driver.
When B1433 is set, it signifies a problem with the driver airbag module that needs to be diagnosed and repaired to ensure the proper functioning of the SRS.
Mechanic’s Tech Notes
For Nissan B1433, this section provides detailed information on diagnosis, causes, and solutions for the fault code.
To diagnose and fix OBDII code Nissan B1433, start by checking the Transmission Control Module (TCM) power and ground using a multimeter.
Verify TCM communication over the Controller Area Network (CAN) network with 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 B1433 fault code.
FAQ
OBD code B1433 in a Nissan indicates an issue with the Right Seat Belt PreTensioner 2 circuit. Check wiring, connectors, and components for faults.
Common symptoms for Nissan code B1433 include Air Bag Warning Light ON. Causes may be a faulty Right Seat Belt PreTensioner 2 or related wiring issues. Fix: Inspect and repair as needed.
Diagnose and repair OBD code B1433 in your Nissan by checking the right seat belt pretensioner 2, harness, connectors, and airbag diagnosis sensor unit for faults.

Wrap Up
If your Nissan is showing OBD code B1433, you may experience issues with the driver’s airbag inflator circuit.
This could be caused by a faulty airbag module, damaged wiring harness, or poor connections at the airbag inflator.
To address Nissan OBD code B1433, check the wiring harness for any signs of damage or corrosion.
Inspect the connectors for proper fit and cleanliness.
Test the airbag module and connections for any faults and replace any components as needed to ensure proper airbag system operation.