The OBD code C1B00 indicates an issue with the Steering Angle Sensor (SAS).
Symptoms include the Engine Light being ON.
Common causes are a faulty SAS, open or shorted SAS harness, or poor electrical connection.
This is a moderate issue that can affect vehicle stability.
To fix, inspect the SAS wiring harness and connectors for damage or corrosion, and ensure proper connection.
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 c1b00 OBD Code
The vehicle displays an airbag warning light on the dashboard.
- Symptoms: Service Electric Park Brake System message on the instrument cluster.
- Possible loss of power steering assist.
- Vehicle may not start.
- Brake pedal may feel hard.
- Brake lights may stay on.
Causes of the c1b00 OBD Code
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Possible triggers for fault code c1b00 include issues with the driver’s seat belt buckle switch.
- C1B00 can be caused by a faulty Steering Angle Sensor.
- A Steering Angle Sensor harness that is open or shorted.
- A Steering Angle Sensor circuit with poor electrical connection.
Fixing Error Code c1b00 Step By Step
To resolve fault code c1b00, inspect the driver’s side airbag module for potential issues.
- To fix OBDII code C1B00, first, review the possible causes related to this code.
- Visually examine the wiring harness and connectors associated with 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, perform a diagnostic scan tool test to further pinpoint the problem within the airbag system.
- Replace any faulty components identified during the diagnostic process.
- Finally, clear the fault codes and perform a test drive to ensure the issue has been resolved.
Cost Of Fixing c1b00 Fault Code
Diagnosing and repairing fault code c1b00 may involve inspecting and replacing the occupant classification system components.
The cost to diagnose and fix OBD code C1B00 depends on the estimated 1. 0hour repair time.
Labor rates usually range from $75 to $150 per hour.
The total cost will vary based on shop rates and the complexity of the repair needed.
Details of the c1b00 OBD Code
The fault code c1b00 indicates a problem with the driver’s side airbag squib circuit.
OBD code C1B00 indicates a fault in the driver’s seatbelt buckle switch circuit.
This code is triggered by the Restraints Control Module (RCM) when it detects an issue with the driver’s seatbelt buckle switch circuit.
The RCM monitors the seatbelt buckle switch circuit to ensure that the driver’s seatbelt is properly fastened.
If a fault is detected in this circuit, the C1B00 code is set, indicating a problem with the driver’s seatbelt buckle switch system.
Mechanic’s Tech Notes
Code c1b00 indicates a fault in the driver’s side airbag squib circuit.
OBDII code C1B00 typically indicates a problem with the Transmission Control Module (TCM).
To diagnose this, you can check the TCM power and ground using a multimeter.
Additionally, use a scan tool to confirm if the TCM communicates over the Controller Area Network (CAN) network.
If the wiring harness or connectors appear damaged, inspect them closely for issues like broken, bent, or corroded pins.
In some cases, reprogramming or reflashing the TCM may be necessary to resolve the fault.
FAQ
OBD code C1B00 indicates an issue with the Steering Angle Sensor. Check for wiring harness faults and poor connections. Inspect for damaged components or corroded connector pins.
Common symptoms for OBD code C1B00 include Engine Light ON. Possible causes are a faulty Steering Angle Sensor or related wiring issues. Inspect and repair as needed.
Diagnose OBD code C1B00 by checking the steering angle sensor and its wiring for faults. Repair any damaged components or connectors found.

Wrap Up
If your vehicle is displaying OBDII code c1b00 and you’re experiencing issues with the steering angle sensor, it could be caused by a faulty steering angle sensor itself, damaged wiring harnesses, or poor electrical connections within the system.
To address OBDII code c1b00, start by inspecting the wiring harness and connectors related to the steering angle sensor.
Look for any signs of wear, damage, or corrosion.
Test the sensor for proper operation and replace it if necessary to resolve the steering angle sensor issue.