What is a Daewoo BH 117i airbag control unit?
The Daewoo BH 117i airbag control unit is the central safety unit in your vehicle, precisely activating all occupant restraint systems, such as airbags and seatbelt pretensioners, in the event of an accident. It continuously monitors sensors, stores relevant crash data, and thus ensures the proper functioning of all airbag modules to maximize driving safety.
This essential module is the brain of the passive safety system. It detects collisions in milliseconds and triggers the protective systems to protect occupants from injury.
Proper functioning of the airbag control unit is essential for your safety on the road. Early diagnosis of any faults is therefore strongly recommended.
Why is the Daewoo BH 117i airbag control unit defective?
A Daewoo BH 117i airbag control unit can fail for a variety of reasons; common causes include internal memory errors caused by voltage spikes, moisture damage, or the storage of crash data after an accident. Because these internal problems impair functionality, the control unit must be inspected and, if necessary, repaired or replaced to ensure safety.
Typical causes of failure include age-related wear and tear on electronic components or corrosion on the connectors. Software errors or malfunctions in the CAN bus can also lead to communication problems.
The control unit can also be considered "broken" after an accident because it permanently stores crash data, requiring reprogramming or repair of the unit to restart it.
Common error codes for Daewoo BH 117i airbag control unit repair
When diagnosing a Daewoo BH 117i airbag control unit, specific B-codes are often read out. These indicate internal problems with the unit and allow for targeted repair. These error codes typically describe communication problems, memory issues, or defects on the main board that directly affect the control unit itself, not external sensors or modules.
It's important to note that these codes primarily reflect internal device errors. Other system components, such as sensors or airbag modules, generate their own, specific error codes.
- B1000: Control unit communication error → Signal disturbance within the ECU or with the vehicle network → Internal wire break or external CAN bus error.
- B1001: Internal memory error in the control unit → Defect in the non-volatile memory (EEPROM) → Damage to the chipset or incorrect data storage.
- B1040: EEPROM or memory error in the control unit → Corrupt data in the event memory or configuration memory → Age-related chip defect or result of voltage spikes.
- B1100: Main board control unit error → Malfunction on the central circuit board → Defective solder joints, damaged components or short circuit on the board.
What part numbers are available for the Daewoo BH 117i airbag control unit?
For Daewoo BH 117i airbag control unit repairs, several exact OEM part numbers are verified and documented by Daewoo itself, guaranteeing 100% compatibility. These numbers are derived from professional spare parts databases and cover various revisions of the original control unit, making it easier to select the correct replacement part or identify the defective unit.
The listed part numbers are crucial for correctly identifying and procuring a suitable replacement or repair unit. An exact match is essential for system functionality.
- 94565073
- 96225913
- 96312353
- 96312354
- 96406716
- 96411996
- 96430714
- 96442702
- 96818874
What functions does a Daewoo BH 117i airbag control unit offer?
The Daewoo BH 117i airbag control unit offers comprehensive safety features, including precise accident detection via integrated and external sensors, as well as lightning-fast deployment of airbags and seatbelt pretensioners within milliseconds. It also features a sophisticated on-board diagnostic function for storing and reporting system errors, which is a great advantage for Daewoo BH 117i airbag control unit repairs.
It controls not only front airbags but, depending on the vehicle's equipment, also side airbags. This ensures comprehensive occupant safety in the event of a collision.
The internal storage capacity allows the logging of crash events and all diagnostic data that is important for professional analysis if the device is defective.
In which Daewoo models is the BH 117i airbag control unit installed?
The BH 117i airbag control unit was primarily designed for specific Daewoo models from the late 1990s and early 2000s to meet their safety standards. Exact compatibility is crucial for a successful Daewoo BH 117i airbag control unit repair or replacement, although vehicle equipment and regional models may allow for slight variations.
It's important to check compatibility before installation to avoid malfunctions. For exact matching, the part number of the old part should be checked.
- Daewoo Nubira II (2000–2004)
- Daewoo Leganza (1997–2002)
- Daewoo Lanos (1997–2002)
Technical specifications of the Daewoo BH 117i airbag control unit
The Daewoo BH 117i airbag control unit is a robust electronic module designed for demanding in-vehicle use, with a 12-volt power supply and a wide operating temperature range of -40°C to +85°C. It communicates via CAN bus and offers precise response times in the millisecond range to effectively control and monitor safety systems, even when reported as defective.
The compact dimensions of approximately 10 x 8 x 3 cm allow flexible integration in the vehicle interior, often protected behind the dashboard.
The on-board diagnostic function allows errors to be read out via the OBD-II interface, which significantly simplifies troubleshooting and repair.
Is the Daewoo BH 117i airbag control unit repair recommended?
Yes, a Daewoo BH 117i airbag control unit repair is often a highly recommended and cost-effective alternative to an expensive new purchase. Since many defects are due to individual, replaceable components or solder joints, a professional repair can restore the control unit to full functionality, especially if the unit has been diagnosed as defective but there is no serious hardware damage.
Repair contributes to sustainability by conserving resources and avoiding electronic waste. This is an environmentally friendly choice compared to replacement.
However, it is essential that the repair is carried out exclusively by qualified specialists in a specialized workshop, as malfunctions of the airbag system can have life-threatening consequences.