CITROEN • OPT •
J4F
Category: Brakes
Brake assist urban
Urban brake.
Brake assist optimized for city driving.
Want the full factory build sheet for your car?
Get a complete VehicleDataSheet (options, equipment, specs) for your VIN.
Related OPT codes
- OPT D9F — Electric Parking Brake
- OPT J9F — Electric trailer interface
- OPT J5F — Brake assist downhill
- OPT J8F — Trailer stability assist
- OPT J7F — Electronic parking brake
- OPT J3F — Brake assist emergency
Frequently Asked Questions
What does OPT code J4F mean?
OPT code J4F is a factory equipment code used by CITROEN to describe a specific vehicle configuration or component.
Where can I find OPT code J4F on my car?
This code is typically found in the vehicle’s factory build data, service documentation, or can be confirmed by decoding the VIN.
Does OPT code J4F affect maintenance or parts?
Yes. Factory codes determine correct parts selection, software compatibility, and service procedures for your exact vehicle configuration.
How can I verify OPT code J4F for my vehicle?
The most reliable way is to order a complete Vehicle Data Sheet decoded directly from your vehicle’s VIN.