What is a Mitsubishi Lancer Evolution VIII airbag control unit?
The Mitsubishi Lancer Evolution VIII airbag control unit is the central safety unit of the Supplemental Restraint System (SRS). It continuously monitors sensors in the vehicle, detects critical driving situations or impacts, and instantly activates all occupant restraint systems such as airbags and seatbelt pretensioners in the event of an accident.
This electronic control unit processes signals from crash and G-sensors to respond precisely in an emergency. It also stores important crash data and system errors in its internal memory.
Correct functioning of the airbag control unit is essential for the passive safety of the Mitsubishi Lancer Evolution VIII. After an accident, it often needs to be reset or replaced to restore full functionality.
Why is the Mitsubishi Lancer Evolution VIII airbag control unit defective?
The Mitsubishi Lancer Evolution VIII airbag control unit often fails because it stores crash data after an accident, thus preventing it from being deployed again. Internal hardware or software errors, voltage spikes in the vehicle electrical system, or corrosion can also lead to failure, causing the SRS warning light to illuminate continuously.
After an airbag is deployed, the control unit must be reset, otherwise it will remain blocked. Without this reset, the airbag system will no longer function properly.
Malfunctions can also be caused by communication problems with other control units in the CAN bus. Damaged wiring or moisture are other possible causes of failure. A precise diagnosis is essential for a Mitsubishi Lancer Evolution VIII airbag control unit repair.
Common error codes for Mitsubishi Lancer Evolution VIII airbag control unit repair
During Mitsubishi Lancer Evolution VIII airbag control unit repair, certain B-codes indicate control unit-specific problems. These manufacturer-specific trouble codes are often stored in the airbag module's internal memory and require special diagnostic tools to read and resolve them to restore safety.
- B1000 → Control unit communication error → The airbag control unit cannot communicate properly with other systems.
- B1201 → Internal control unit error → There is an internal hardware or software malfunction in the airbag control unit.
- B1234 → Memory error in the control unit → Problems saving or reading data in the internal module memory.
- B1340 → Control unit initialization error → The airbag control unit could not be initialized correctly during system startup.
What part numbers are available for the Mitsubishi Lancer Evolution VIII airbag control unit repair?
For Mitsubishi Lancer Evolution VIII airbag control unit repair, specific OEM part numbers such as 6835A168 and P8635A168 are relevant. These numbers identify the exact airbag control unit suitable for your vehicle model and ensure compatibility with the SRS system.
- 6835A168 (Mitsubishi) → Original/OEM → Confirmed multiple times as OEM airbag control unit for Lancer Evolution VIII.
- P8635A168 (Mitsubishi) → Genuine/OEM → Explicitly listed as SRS Airbag Computer Diagnostic Control Module for Lancer models.
- TARME2937R0152 (Mitsubishi) → Replacement number → An alternative number for P8635A168.
- TARME1308R0924 (Mitsubishi) → Replacement number → Another alternative number for P8635A168.