Peugeot Expert III airbag control unit repair

What is a Peugeot Expert III airbag control unit?

The Peugeot Expert III airbag control unit is the central safety unit in the vehicle, responsible for activating the airbags and seatbelt pretensioners in the event of an accident. It continuously monitors relevant sensors, stores crash data, and signals system errors to ensure maximum occupant safety and enable timely repair of the airbag system.

It captures impact information via acceleration sensors and makes precise decisions about the necessary activation of the restraint systems. This effectively minimizes occupant injuries.

In addition, the control unit automatically triggers an emergency call (eCall) in the event of a collision, even if the airbags are not activated. This is an important safety feature for rapid assistance.

Why is the Peugeot Expert III airbag control unit defective?

The Peugeot Expert III airbag control unit can fail for a variety of reasons, often due to stored crash data after an accident or internal electronic malfunctions. These defects result in permanently illuminated airbag warning lights and require professional diagnosis or repair to restore full functionality of the airbag system.

After an accident, the control unit stores so-called crash data, which can prevent the airbags from being reactivated. In such cases, deleting this data or replacing the control unit is essential for the Peugeot Expert III airbag control unit repair.

Internal errors in the airbag module itself or communication problems in the SRS system can also lead to failure. This often manifests itself in specific error codes indicating an internal defect.

A failure of the airbag control unit renders the entire vehicle safety system inoperable and should be repaired immediately by a workshop.

Common error codes for Peugeot Expert III airbag control unit repair

Common Peugeot Expert III airbag control unit error codes directly indicate problems within the control unit or communication, not with external sensors. These codes are crucial for an accurate diagnosis and targeted Peugeot Expert III airbag control unit repair to clear the airbag light and restore safety.

• 7362 → Passenger airbag disarming warning light fault → Fault in the passenger airbag disarming warning light fault.
• C69F → Central pretensioner fault - open circuit → Open circuit in the central belt pretensioner circuit.
• B1000 → Control unit communication error → The airbag control unit cannot communicate with other systems.
• B1015 → Defective airbag control unit module → Internal error in the airbag module (ECU) itself.
• B1139 → Error within the SRS (Supplemental Restraint System) module → General internal error of the SRS control module.
• B1193 → Airbag module (control unit) related error → Error generated directly by the airbag control unit.
• B1206 → Airbag RCM (Restraint Control Module) Error → Error in the restraint system control module.
• B1342 → SRS system fault → Supplemental restraint system general fault.
• B1620 → SRS error → Supplemental Restraint System error, often an indication of an internal defect.
• B1649 → Crash detected (crash data stored in the control unit) → Crash data saved after an accident blocks the function.

What part numbers are available for the Peugeot Expert III airbag control unit repair?

When repairing the Peugeot Expert III airbag control unit, specific OEM part numbers are crucial for compatibility and safety. These validated numbers ensure that the replacement part is a precise fit for your vehicle model and can often be used immediately without additional coding, simplifying the replacement process.

The following original and compatible part numbers have been identified and verified for the Peugeot Expert III airbag control unit.

• 1481002080 → Peugeot (PSA) → Original spare part
• 9817062880 → Peugeot (PSA) → Original Equipment (OE) Reference
• 1479489080 → Peugeot (PSA) → Ready-to-install replacement device without programming

It is important to note that there are no separate OEM part numbers from suppliers such as Bosch, Continental or Siemens publicly available for this specific Peugeot Expert III airbag control unit.

These part numbers refer exclusively to the airbag control unit and exclude sensors, modules, or wiring harnesses.

Using the correct part number is of utmost importance for a successful Peugeot Expert III airbag control unit repair to avoid failures and compatibility issues.