What is a Citroën Saxo VTS I airbag control unit?
The Citroën Saxo VTS I airbag control unit is the central safety unit in the vehicle, which activates all occupant restraint systems, such as airbags and seatbelt pretensioners, in the event of a collision. It continuously monitors sensors, stores relevant crash data, and ensures the correct functioning of the entire airbag system for maximum safety.
This module, often referred to as the SRS control unit, is crucial for the passive safety of the Citroën Saxo. It processes signals from crash sensors and triggers the protection systems in a fraction of a second.
A functioning airbag control unit is essential to ensuring the protection of vehicle occupants in the event of an accident. Without this key component, the airbag system may not respond correctly or even fail.
Why is the Citroën Saxo VTS I airbag control unit defective?
The Citroën Saxo VTS I airbag control unit can fail for a variety of reasons, often after an accident, as it permanently stores crash data, or due to internal electronic errors caused by aging or moisture. A failure leads to the safety system failing and often requires repair or replacement of the module.
After an accident, the airbag control unit is often "locked" or "crashed," as it irreversibly stores the impact data. In this state, it is blocked from further deployment and must be reset or replaced.
Other causes of a defect can include internal component failure, age-related material fatigue, or corrosion caused by moisture penetration. This leads to a failure of the airbag function and requires professional diagnosis and repair.
The airbag warning light on the dashboard indicates a fault or failure of the system, which requires immediate workshop inspection to restore road safety.
Common error codes for Citroën Saxo VTS I airbag control unit repair
When diagnosing a defective Citroën Saxo VTS I airbag control unit, specific error codes will appear. These indicate internal problems or communication errors within the module, allowing for targeted repair. These codes signal a system failure and must be corrected for safe operation.
- **150C** → Drivers Module trigger open circuit → Open circuit in the driver airbag module circuit, diagnosed by the control unit.
- **B1000** → Control unit communication error → General malfunction in the data transmission between the airbag control unit and other vehicle systems.
- **B0100** → Control Unit Internal Error → Defect or malfunction within the electronics of the airbag control unit itself.
These codes are crucial for precisely locating the problem and effectively repairing the airbag system. An accurate diagnosis is the first step toward restoring full safety functionality.
What part numbers are available for the Citroën Saxo VTS I airbag control unit repair?
When repairing or replacing the Citroën Saxo VTS I airbag control unit, specific OEM part numbers are crucial to ensure compatibility and safety. The primary verified number is 96 467 576 80 from Autoliv, which should be targeted for reliable function.
The verified and most commonly used OEM part number for the airbag control unit in the Citroën Saxo VTS I is **96 467 576 80** from the manufacturer Autoliv. This number is recommended as the first choice by professional repair services.
Additionally, there are other OEM reference numbers such as **550579600** and **96 287 578 80 AT** that may also fit the Citroën Saxo. However, when using these numbers, a detailed check of compatibility with the specific vehicle model and equipment is recommended to find the correct replacement.
The correct part number is crucial for a successful repair and the proper functioning of the entire airbag system. If in doubt, consult a specialist workshop for a reliable diagnosis and selection of the correct part.