What is a Jaguar SS 100 airbag control unit?
The airbag control unit for the Jaguar SS 100 is the central safety unit that activates all occupant restraint systems in modern aftermarket systems for this classic car. It precisely monitors sensors, stores relevant crash data, and ensures the flawless function of all airbag modules and seatbelt pretensioners for optimized safety.
Since the Jaguar SS 100 was originally built without airbag systems (1935-1940), the airbag control unit in this model is a modern retrofit. It is the heart of the passive safety system, responsible for reliably deploying the airbags in an emergency.
Such a control unit, essential for any Jaguar SS 100 airbag control unit repair, continuously communicates with various sensors in the vehicle. It analyzes the signals and decides within milliseconds whether the protective systems need to be triggered.
Why is the Jaguar SS 100 airbag control unit defective?
A defective Jaguar SS 100 airbag control unit in aftermarket systems can be caused by internal memory errors, power surges, water damage, or age-related wear and tear on the components, as these systems continuously process signals and are subject to high demands. A professional Jaguar SS 100 airbag control unit repair is essential in these cases.
Because impact data is irreversibly stored in the control unit during a crash, this can lead to a malfunction or blockage. In this case, the control unit is no longer operational and must be repaired or replaced.
Failure can also be caused by internal software errors, faulty communication with other components, or corrosion on the connectors. If your Jaguar SS 100 airbag control unit is faulty, the airbag warning light will usually illuminate.
Common error codes for Jaguar SS 100 airbag control unit repair
There are no original error codes for Jaguar SS 100 airbag control unit repairs, as the model historically did not have airbags. However, typical Jaguar airbag error codes (e.g., from the X-Type) are used as a reference for aftermarket systems to diagnose and repair control unit defects.
The following codes are relevant for the diagnosis of the airbag control unit itself, excluding external sensors, belt pretensioners or seat occupancy:[1][5]
- B13 → Crash Data Memory Full → Cause: Stored impact data blocks further functions of the control unit.
- B19 → Airbag circuit status fault - driver side → Cause: Open circuit or short circuit in the driver airbag circuit.
- B21 → Airbag circuit status fault - passenger side → Cause: Electrical fault in the passenger airbag circuit.
- B22 → Side airbag circuit fault - driver side → Cause: Problem in the driver side airbag circuit.
- B23 → Side airbag circuit fault - passenger side → Cause: Malfunction in the passenger side airbag circuit.
- B24 → RCM (Restraint Control Module) internal error → Cause: Internal defect or software problem in the control unit.
- B53 → Airbag acoustic warning circuit error → Cause: Error in the signaling for the acoustic airbag warning.
- B54 → RCM configuration error → Cause: Inconsistency in the configuration or coding of the control unit.
What part numbers are available for Jaguar SS 100 airbag control unit repair?
There are no original OEM part numbers for the Jaguar SS 100 airbag control unit repair, as the vehicle was delivered without airbags from the factory. Aftermarket systems use specific numbers from the respective manufacturer or are designed as universal components for classic cars, which must then be identified during repair.
Neither Bosch, Continental, Siemens, nor Autoliv offer publicly available, exact part numbers for an airbag control unit specifically associated with the historic Jaguar SS 100. Therefore, repairing such a system often requires identifying the installed aftermarket system or a generic solution.
For exact OEM data or specific information on a Jaguar SS 100 airbag control unit repair, it is advisable to contact Jaguar Classic or specialized Jaguar restorers directly, who may have access to internal or historical parts catalogs.