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Where is the computer diagnostic interface of the C4L located?

3 Answers
TravisRose
07/30/25 1:01am
The computer diagnostic interface of the C4L is located in front of the gear shift lever, near the USB port and cigarette lighter. You can feel a small hole by touch; use your finger to hook it and then open the cover panel to reveal the interface. The C4L is a compact car under Dongfeng Citroën, with dimensions of 4675 mm in length, 1780 mm in width, and 1500 mm in height, and a wheelbase of 2710 mm. In terms of power, the C4L is equipped with a turbocharged engine that delivers a maximum horsepower of 136 hp, a maximum torque of 230 Nm, and a maximum power output of 100 kW. The engine reaches its maximum power at 5500 rpm and its maximum torque between 1750 and 3500 rpm.
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JosiahMarie
08/15/25 6:31am
I've been driving the Citroën C4L for several years and remember the OBD port location clearly. It's positioned in the footwell area below the steering wheel on the driver's side, at the corner beneath the instrument cluster, usually slightly above the clutch or accelerator pedal. The port is a small 16-pin socket, typically black or dark gray in color. Some models have a protective plastic cover that can be easily opened with a gentle pull. The design is quite user-friendly - you can reach it effortlessly. I frequently connect diagnostic equipment myself to check vehicle status, such as reading trouble codes or fuel consumption data. In winter, the port might feel stiff due to cold, so handle it gently to avoid damage. I recommend wiping the port with a soft cloth during car washes to prevent dust buildup that could affect connectivity. If unsure about the exact spot, the owner's manual provides illustrated guidance, though the location is generally fixed. Always ensure the engine is off before connecting devices - safety first.
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Boromir
10/20/25 4:44am
When I first bought the car, I explored the location of the OBD-II port. It's actually located near the corner of the instrument panel, under the steering wheel on the driver's side, close to the right footrest. By bending down and looking towards the knee area, you can find a small square port—it's not very conspicuous but not hard to spot either. The operation is simple: just plug in the cable without disassembling anything. The placement is quite reasonable on the C4L, similar to many other car models. Beginners might worry about not finding it, but with a bit of patience, it becomes clear. I recommend using a phone light to illuminate the area to avoid kicking the foot panel. Keeping the port clean and dust-free is important. Connecting a diagnostic device yourself is convenient and can save some repair costs. Remember to operate only when the vehicle is stationary—never distract yourself while driving. The port is generally durable and unlikely to malfunction.
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