What is a Maserati Trofeo M470T Quattroporte airbag control unit?
The airbag control unit, also known as the SRS control unit, is the central component of the safety system in the Maserati Trofeo M470T Quattroporte. It continuously monitors the airbags and seatbelt pretensioners, collects crash data in the event of an accident, and precisely triggers the restraint systems to provide maximum occupant protection.
This highly sensitive control unit processes signals from various sensors in the vehicle. It stores all relevant information about the status of the airbag system and any malfunctions.
It also communicates with other control units via the CAN bus to ensure smooth vehicle diagnostics and the coordination of all safety functions.
Why is the Maserati Trofeo M470T Quattroporte airbag control unit defective?
The Maserati Trofeo M470T Quattroporte airbag control unit is often reported as defective after an accident because it stores triggered crash data, thus generating a permanent error message that requires a reset or repair. Internal electronic errors can also cause failure.
The most common cause of a malfunction is the storage of crash data after an impact. This data blocks the system and prevents the airbags from reactivating.
In addition to accidents, internal memory errors such as EEPROM defects, software problems, or power supply disruptions can also paralyze the control unit. Such defects are often signaled by specific error codes.
Common error codes for Maserati Trofeo M470T Quattroporte airbag control unit repair
When diagnosing a faulty Maserati Trofeo M470T Quattroporte airbag control unit, specific error codes will appear that indicate internal problems with the ECU and require precise repair or reset. These codes are crucial for accurate fault identification.
- B1000 → Control unit communication error → Interruption in data transmission or internal bus error.
- B1010 → Internal memory error control unit → Defect in the non-volatile memory of the control unit.
- B1020 → Airbag control unit voltage supply error → Insufficient or unstable power supply to the ECU.
- B1030 → Control unit self-test failed → Internal hardware or software error during system test.
- B1040 → EEPROM error in the airbag control unit → Damage to the data memory for configurations and crash data.
- B1050 → Software error in the control unit → Corrupt or incompatible firmware in the airbag module.
- B1060 → Airbag control unit reset required → System needs a reset, often after an accident.
What part numbers are available for the Maserati Trofeo M470T Quattroporte airbag control unit repair?
When repairing the Maserati Trofeo M470T Quattroporte airbag control unit, specific OEM part numbers are crucial to ensure compatibility and functionality. The most commonly verified numbers include genuine Maserati parts as well as corresponding supplier numbers from Bosch for model years 2013-2016.
The original Maserati part number for the airbag control unit for this model series, including the Trofeo M470T variant (2013-2016), is 670009490. This number identifies the component distributed directly by Maserati.
In addition, there are two precisely verified Bosch part numbers that were often installed in these vehicles: 0285001276 as an original OEM supplier part and 0285001363 as a compatible OEM spare part.
These Bosch numbers are important for Maserati Trofeo M470T Quattroporte airbag control unit repair as they ensure compatibility across different production periods.