Where is the diagnostic socket of Citroen C4L located?

2 Answers
RachelLynn
07/28/25 10:14pm
The diagnostic socket of Citroen C4L is located below the steering wheel on the left side, near the fuse box. Here is some information about the Citroen C4L: 1. Body dimensions: The length, width, and height of the body are 4675mm, 1780mm, and 1500mm respectively, with a wheelbase of 2710mm. 2. Engine: The THP series engines are small engines jointly developed by PSA and BMW. This series of engines extensively adopts BMW's advanced technologies, with main advantages including excellent fuel efficiency, power output efficiency, enhanced reliability, and lightweight design. The technical specifications rank among the top in the same class of engines, and over 1 million THP engines have been assembled and sold in Europe.
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StMargaret
08/12/25 2:46am
As a long-time car enthusiast with years of repair experience, I remember that the diagnostic port of the Citroën C4L is located on the driver's side. Specifically, it's in the footwell area directly below the steering wheel and near the dashboard. If you crouch down and look, you'll see a black connector socket above the brake pedal. It's an OBD-II standard interface with a 16-pin design, used to connect diagnostic tools for scanning trouble codes, such as engine or emission issues. The exact position might vary slightly depending on the model year, but most C4Ls have it in that general area, with detailed diagrams available in the manual. I recommend that car owners familiarize themselves with this spot—scanning for issues themselves can save money by catching problems early. During regular maintenance, check if the port is oxidized; clean it if there's too much dust to avoid poor contact affecting vehicle performance. It's actually quite simple to find—don't be intimidated by the complexity.
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