What is a Jaguar R-Performance XJR airbag control unit?
The Jaguar R-Performance XJR airbag control unit is the central safety unit in your vehicle, activating all occupant restraint systems, such as airbags and seatbelt pretensioners, in the event of an accident. It continuously monitors sensors throughout the vehicle, stores critical crash data, and ensures the proper functioning of all airbag modules, thus ensuring maximum occupant safety.
This sophisticated module, also known as the SRS control unit or Restraint Control Module (RCM), precisely processes signal information from acceleration sensors and other input devices.
Its electronic components are designed for maximum reliability to trigger the protection systems precisely and in a timely manner in the event of an emergency.
Why is the Jaguar R-Performance XJR airbag control unit defective?
A defective Jaguar R-Performance XJR airbag control unit can be caused by various factors, often due to aging, electrical surges, or internal hardware failures. After an accident, the control unit often needs to be replaced or reset because it stores crash data and then blocks it.
Corrosion caused by moisture or improper repairs can also lead to failure, causing the system to lose its protective function.
An internal short circuit or faulty firmware are also common reasons that make a comprehensive Jaguar R-Performance XJR airbag control unit repair necessary.
Common error codes for Jaguar R-Performance XJR airbag control unit repair
During Jaguar R-Performance XJR airbag control unit repair, specific trouble codes indicate problems with the SRS system, which are reported directly by the control unit. These codes help accurately diagnose whether there is an internal module failure or a problem with the connected circuits.
- B1000 → Control unit communication error → Internal communication fault or external line interruption to the airbag ECU
- B2293 (20) → Driver Airbag Level 2 Squib Low Resistance → Driver Airbag Level 2 Circuit Problem
- B2293 (21) → Driver airbag level 2 open circuit → Broken wire or defective connection in the driver airbag level 2 circuit
- B2293 (22) → Driver airbag stage 2 short circuit to battery → Unintentional contact of the airbag line with battery voltage
- B2293 (23) → Driver airbag stage 2 short circuit to ground → Unintentional contact of the airbag line with vehicle ground
- B2293 (28) → Driver Airbag Level 1 Squib Low Resistance → Driver Airbag Level 1 Circuit Problem
- B2293 (29) → Driver airbag level 1 open circuit → Broken wire or defective connection in the driver airbag level 1 circuit
- B2293 (30) → Driver airbag stage 1 short circuit to battery → Unintentional contact of the airbag line with battery voltage
- B2293 (31) → Driver airbag stage 1 short circuit to ground → Unintentional contact of the airbag line with vehicle ground
- Code 19 → Airbag Circuit Status Error – Driver → Driver airbag circuit failure, often caused by coil cable/clockspring
- Code 21 → Airbag Circuit Status Error – Passenger → Passenger airbag circuit fault, often caused by wiring
- Code 24 → Internal error in the airbag control module (RCM) → Defect within the restraint control module itself
- Code 54 → RCM configuration error → Incorrect or missing software configuration of the airbag control unit
What part numbers are available for the Jaguar R-Performance XJR airbag control unit repair?
For Jaguar R-Performance XJR airbag control unit repairs, the exact and verified OEM part number C2N3057 is crucial, as it is the only official number for this specific airbag control unit. This part number ensures you receive the correct replacement part for your model.
According to official Jaguar catalogs and leading automotive spare parts databases such as TecDoc and Autodoc, the only OEM number listed for the SRS airbag control unit of the Jaguar XJR X350 (including R-Performance) is C2N3057.
Supplier part numbers from manufacturers such as Bosch or Continental are not listed separately in the public catalogs for this specific Jaguar component, as it is distributed exclusively through Jaguar.