Peugeot 208 I airbag control unit repair

What is a Peugeot 208 I airbag control unit?

The Peugeot 208 I airbag control unit is the central safety unit that activates 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 is crucial for the reliable function and deployment of the vehicle's airbag modules.

This critical module is specifically designed for the Peugeot 208 I CA and CC model series, built approximately from 2012 to 2019. It is responsible for the entire control of the passive safety systems.

It ensures that the protective systems are triggered at the right moment and in the correct sequence in the event of a collision. A defective control unit can significantly compromise vehicle safety.

Why is the Peugeot 208 I airbag control unit defective?

The Peugeot 208 I airbag control unit often fails because the internal crash data cannot be erased after an accident, causing the airbag warning light to remain permanently illuminated. Internal hardware or software errors, as well as communication problems, also lead to system failure and require repair.

A common reason is the storage of crash data after an impact, which requires replacement or professional repair of the control unit. Without erasing this data, the airbag system remains inactive.

Power supply problems (e.g., B1100), internal memory errors (B1015), or general malfunctions (B1230) can also cause the control unit to no longer perform its function. A precise diagnosis is essential in these cases.

In such cases, the airbag warning light in the instrument cluster illuminates, indicating a system fault. A Peugeot 208 I airbag control unit repair is then essential.

Common error codes for Peugeot 208 I airbag control unit repair

When repairing the Peugeot 208 I airbag control unit, specific error codes often occur. These indicate internal malfunctions, communication problems, or non-erasable crash data. These B-codes are directly attributable to the control unit and require targeted diagnosis and correction.

• B1000: Control unit communication error → The airbag ECU cannot communicate correctly with other systems or the diagnostic tool → Often an internal malfunction or wiring problem.
• B1015: Airbag ECU internal memory error → Defect in the control unit's internal memory → Often a hardware malfunction.
• B1100: Airbag control unit voltage supply too low or unstable → The control unit does not receive the required operating voltage → The cause may be a broken cable or a blown fuse.
• B1105: Internal Software Error → A malfunction in the control unit's internal software → May require reprogramming or repair.
• B1200: Control unit EEPROM read error → Problems reading the control unit's non-volatile memory → Indicates an internal defect.
• B1210: Crash data memory error (non-erasable) → After an accident, the stored crash data cannot be reset → Often requires repair of the control unit.
• B1230: Airbag control module malfunction → A general malfunction of the control module → Requires comprehensive fault analysis to resolve.
• B1500: Crash data reset error → Resetting the accident information in the control unit fails → Common reason for Peugeot 208 I airbag control unit repair.
• B1505: Internal diagnostic error (self-test negative) → The control unit cannot successfully complete its internal self-test → An indicator of a serious internal defect.

What part numbers are available for the Peugeot 208 I airbag control unit repair?

For Peugeot 208 I airbag control unit repairs, various OEM and supplier part numbers are relevant to ensure exact compatibility. These numbers confirm that the control unit is suitable for your model and enable professional repair or replacement.

The compatibility of the airbag control unit for the Peugeot 208 I (CA, CC, built from 2012 to 2019) is ensured by specific part numbers. This includes both original Peugeot numbers and numbers from original equipment manufacturers such as Bosch or Continental.

Confirmed original Peugeot part numbers include 9810363180, 9812713380, and 9803380480. These are directly associated with the airbag control units for the model in question.

Compatible supplier part numbers, often from Bosch, are listed as 0285012632, 0285012924, and 0285011402. These Bosch numbers are functionally equivalent to the original Peugeot parts.

The correct part number is crucial to ensuring the successful repair of the Peugeot 208 I airbag control unit. Precise identification prevents compatibility issues and ensures vehicle functionality.