What is a Daihatsu Tanto Exe L455 airbag control unit?
The Daihatsu Tanto Exe L455 airbag control unit is the central safety unit that precisely controls and activates all occupant restraint systems, such as airbags and seatbelt pretensioners, in the event of a collision. It continuously monitors sensor data, stores important crash information, and ensures the functionality of the entire airbag system.
This critical component is essential for the vehicle's passive safety. It processes information from acceleration and impact sensors.
The control unit ensures that airbags are deployed only when necessary and with the correct intensity to provide optimal protection for occupants.
Why is the Daihatsu Tanto Exe L455 airbag control unit defective and when is a repair necessary?
A Daihatsu Tanto Exe L455 airbag control unit can fail because it stores crash data after an accident, suffers internal memory damage, or is damaged by power surges. Repair is necessary to restore safety functionality if the airbag warning light remains permanently illuminated or error codes indicate a system failure.
After an accident, the control unit often becomes blocked by stored crash data. This prevents the airbags from deploying again.
Internal errors in the control unit can occur due to wear and tear or faulty electronics. These can lead to the failure of the airbag system.
A faulty power supply or short circuits in the vehicle can also damage the airbag control unit. A diagnosis is essential for repairing the Daihatsu Tanto Exe L455 airbag control unit.
Common error codes for Daihatsu Tanto Exe L455 airbag control unit repair
No specific publicly listed trouble codes were found for the Daihatsu Tanto Exe L455 airbag control module with part numbers 89170-B2130, 89170-B2190, and 88210-B2130. The codes listed here are general examples that, when diagnosed, may indicate a problem with the airbag control module.
- B1000 → Control unit communication error → Error in the connection between the control unit and the vehicle network
- B1100 → Internal error in the airbag control unit → Damage to the internal electronics or software error
- B1200 → Power supply airbag control unit → Problems with the power supply to the control unit
- B1400 → Memory error in the airbag control unit → Damaged crash data or faulty data memory
These general codes indicate a system failure or malfunction. A detailed diagnosis using manufacturer-specific software is essential for accurately determining the fault when repairing the Daihatsu Tanto Exe L455 airbag control unit.
Reading the error memory provides information about the exact cause and enables targeted repair.
What part numbers are available for the Daihatsu Tanto Exe L455 airbag control unit repair?
Several verified part numbers are relevant for the Daihatsu Tanto Exe L455 airbag control unit, confirming compatibility and originality. The primary OEM numbers are 89170-B2130 and 89170-B2190, supplemented by the compatible replacement number 88210-B2130, which can be used for a successful Daihatsu Tanto Exe L455 airbag control unit repair.
Part number **89170-B2130** is the most common OEM number. It is listed in official Daihatsu parts catalogs and on TecDoc.
The number **89170-B2190** is also listed as an original version. It can be found in various trim levels of the Tanto Exe L455.
A compatible alternative is part number **88210-B2130**. Suppliers such as Bosch and Autoliv list this as suitable.
All numbers mentioned refer exclusively to the airbag control unit. Sensors or additional modules are not included, which is important for a correct Daihatsu Tanto Exe L455 airbag control unit repair.
Technical specifications of Daihatsu Tanto Exe L455 airbag control unit for repair
The airbag control unit for the Daihatsu Tanto Exe L455 (L455 series, approximately 2010–2014) is a 12V unit for real-time monitoring of crash sensors and seat belt pretensioners. It communicates with other vehicle control units via bus systems and features self-diagnostic functions for error detection, which is essential for a targeted Daihatsu Tanto Exe L455 airbag control unit repair.
It processes signals from various sensors to react instantly in the event of an impact. The trigger parameters are precisely calibrated.
The robust housing protects the electronics from vibrations and extreme temperatures, ensuring a long service life.
After a failure or accident, the device stores error messages and crash data, which can be read by workshops.
Compatibility also extends to the identically constructed Subaru Lucra L455F. This is helpful when searching for replacement parts for the Daihatsu Tanto Exe L455 airbag control unit repair.
Installation position and operation of the Daihatsu Tanto Exe L455 airbag control unit
The Daihatsu Tanto Exe L455 airbag control unit is typically mounted centrally in the interior under the dashboard or seat and connected to the vehicle's network via special connectors. It receives data from crash sensors, analyzes it in milliseconds, and controls the deployment of airbags and seatbelt pretensioners, a critical function for the vehicle's safety and repairability.
It is directly connected to the front and side crash sensors, as well as the airbag modules and seatbelt pretensioners. The wiring is safety-relevant.
The self-test function checks the functionality of all airbag components when the vehicle is started. An error message in the cockpit indicates any problems.
During repairs, calibration and reprogramming of the control unit is often necessary. This is the only way to restore full functionality.
Due to its safety-critical role, the Daihatsu Tanto Exe L455 airbag control unit repair should only be carried out by qualified specialist workshops.