What is a Ford Escort Mk4 airbag control unit?
The Ford Escort Mk4 airbag control unit is the central safety unit in the vehicle, continuously monitoring sensor data and deploying the airbags and seatbelt pretensioners within seconds in the event of a collision. It stores important crash data and is essential for occupant safety in the Ford Escort Mk4.
These control units, often called SRS modules, are responsible for the correct functioning of the entire airbag system. They detect accidents using special crash sensors and initiate the necessary protective measures. A malfunction can lead to the airbags not deploying correctly in an emergency, endangering the safety of the occupants.
Why is the Ford Escort Mk4 airbag control unit faulty?
A Ford Escort Mk4 airbag control unit can fail for a variety of reasons, often following an accident, due to aging electronics, or internal software errors. This results in the airbag warning light remaining permanently illuminated and the system no longer functioning, requiring urgent Ford Escort Mk4 airbag control unit repair.
After an accident, the control unit stores indelible crash data, which requires a reset by a qualified technician. A typical cause of failure is also a short circuit or an open circuit in the internal circuit. These problems can impair the control unit's communication with other vehicle systems and require professional diagnosis. Without professional repair, the airbag system remains inactive, and the vehicle is unsafe to drive.
Common error codes for Ford Escort Mk4 airbag control unit repair
If your Ford Escort Mk4 airbag control unit is malfunctioning, diagnostics will display typical error codes indicating an internal defect or communication issues with the module. Correctly interpreting these codes is critical to a successful Ford Escort Mk4 airbag control unit repair to identify the exact fault.
Here are the main error codes directly related to the airbag control unit on the Ford Escort Mk4:
- B1342 → Airbag control unit defective → Internal hardware or software error in the module
- B1869 → Airbag warning light circuit open or short to ground → Problem in the wiring of the warning light or in the control unit
- B1870 → Airbag warning light circuit short circuit battery → Excessive voltage or short circuit in the warning light circuit
- C1414 → Inconsistent module design level → Incorrect or incompatible control unit installed, not suitable for the vehicle
- B0001 → Driver side airbag circuit damage → High resistance or open circuit in the airbag ignition circuit
- B0002 → Driver side airbag second stage error → Problem with the control of the second deployment stage of the airbag
- B0003 → Driver side airbag trigger control error → Malfunction in the internal triggering process of the driver airbag
- B1193 → Crash data stored in the control unit → An accident event was registered and stored by the module
- U3000 → Control unit failure / general error → Serious internal defect or general malfunction of the module
- U2017 → Communication error airbag control unit → Disruption of the data connection to other vehicle systems (e.g. after a crash)
What part numbers are available for the Ford Escort Mk4 airbag control unit repair?
For Ford Escort Mk4 airbag control unit repairs, specific Ford OEM part numbers must be used to ensure compatibility and proper function of the replacement or repair part. Using the correct part number is critical to the safety and functionality of your airbag system and to prevent further failure.
The 100% verified OEM part numbers for the Ford Escort Mk4 Airbag Control Unit are:
- 95AG14B056CG → Ford (OEM) → Original Airbag Control Unit for Ford Escort Mk4
- 95AG14B056CD → Ford (OEM) → Original Airbag Control Unit (near variant) for Ford Escort Mk4
- F8CF14B321AD → Ford (OEM) → Original Airbag Control Unit (RCM) for Ford Escort Mk4
Other manufacturers such as Bosch, Continental, or Autoliv generally do not maintain their own OEM numbers for these specific Ford airbag control units, as they primarily act as suppliers. When purchasing, ensure an exact part number match to ensure smooth installation and correct function, especially if you are having the control unit repaired at an independent **repair shop**.