What is a Saturn Relay 2 airbag control unit?
The Saturn Relay 2 airbag control unit is the central safety module in the vehicle, which specifically activates all occupant restraint systems, such as airbags and seatbelt pretensioners, in the event of an accident. It continuously monitors sensors, stores important crash data, and ensures the correct functioning of the entire passive safety system. This critical component is essential for the safety of vehicle occupants.
It receives signals from impact sensors and decides within milliseconds whether to deploy the airbags. Even during normal operation, it continuously performs diagnostics to ensure system readiness.
The control unit, also called the SRS module, plays a crucial role in the passive safety of the Saturn Relay 2. A functioning module is essential for the vehicle's operating license and safety.
Why is the Saturn Relay 2 airbag control unit defective?
The Saturn Relay 2 airbag control unit is often defective because it stores crash data after an accident, which sets a permanent fault flag and activates the airbag light. This prevents re-deployment and requires a professional Saturn Relay 2 airbag control unit repair to reset the module and restore functionality.
A key reason for the failure is the storage of crash events in the module's EEPROM. This data blocks the system, even if there is no physical damage to the control unit.
Internal memory errors or communication problems can also lead to failure. In such cases, diagnostics are essential to determine the exact cause of the defect.
A professional reset service can often restore the defective module, thus avoiding the need for a costly replacement as part of the Saturn Relay 2 airbag control unit repair.
Common error codes for Saturn Relay 2 airbag control unit repair
Specific, publicly documented trouble codes exclusive to the Saturn Relay 2 airbag control unit are rare, but generic B-codes indicate internal problems or stored crash data. A comprehensive diagnosis often requires manufacturer-specific tools to identify the exact cause of a failure and initiate the necessary Saturn Relay 2 airbag control unit repair.
The available data indicates that no specific error codes for this module are publicly documented. Therefore, a precise diagnosis using specialized tools is essential.
However, general airbag system errors can occur that indicate a problem with the control module. The following codes are examples and have not been verified specifically for the Saturn Relay 2:
- B1000 → Control unit communication error → Airbag ECU
- B1236 → Internal memory error → Airbag ECU
- B1400 → Crash data stored → Airbag ECU
- B1500 → Airbag module circuit fault → Airbag ECU
What part numbers are available for the Saturn Relay 2 airbag control unit repair?
For the Saturn Relay 2 airbag control module repair, only one exact OEM part number was verified: 15774758-68HC908AZ60A from General Motors. A search of extensive databases did not reveal any other alternative or equivalent original part numbers for this specific airbag module, simplifying identification in the event of a defect.
This number identifies the original SRS module, which is also used by specialized service providers for the reset service. Its verification was carried out by professional service providers that process this specific module.
Despite intensive research in TecDoc and other manufacturer catalogs, no other OEM part numbers could be found for the airbag control unit of the Saturn Relay 2. This underscores the uniqueness of the mentioned number for this vehicle model.
If your Saturn Relay 2 airbag control unit is defective, part number 15774758-68HC908AZ60A is the primary reference. A reset repair is often a quick and cost-effective solution.