Description
Tachometer alarms with navigation for CITROEN C4 PICASSO and GRAND PICASSO cars up to 2013
Approximately 250,000 km driven
Part description
Used speedometer with navigation designed for Citroën C4 Picasso and Grand Picasso cars. It is an original part from the Stellantis Citroën Peugeot group, which is also often searched for by production numbers. This part is suitable as a replacement in the event of a failure of the original instrument panel, non-functioning display, display failures or other defects related to alarms and the display of driving information.
For this piece, it is indicated about 250 thousand km. When choosing a used tachometer, it is especially important to compare product codes and the overall design of the part according to the original piece in the car.
Technical information
- Manufacturer: Stellantis Citroën Peugeot
- Model: Citroën C4 Picasso, Citroën Grand Picasso
- Other numbers: P9666852780-00, 9673538580
Product codes
- Product codes: 9666852780, 9673538580, P9666852780-00
- Models from labels and documents: Citroën C4 PICASSO, CITROEN C4 PICASSO, GRAND PICASSO
Installation recommendations
Generally/typically for this type of part, the exact speedometer replacement procedure may vary depending on the specific car design and equipment. Before assembly, it is therefore always advisable to compare the new and original part in terms of codes, connectors, attachment and appearance of the panel.
1) Before assembly
- Check that the product numbers and connector designs match.
- Compare the front panel, mounting, cover and overall dimensional design with the old piece.
- Visually check the condition of the contacts, whether they are oxidized, bent or mechanically damaged.
- Before disassembling the original part, we recommend disconnecting the battery and waiting according to normal service practice to minimize the risk of damage to the electronics.
2) Necessary tools and materials
- Basic set of hand tools
- Plastic pry bar for panel removal
- Screwdrivers or attachments corresponding to the fasteners used
- Clean cloth for cleaning the surroundings and contacts
- Or antistatic caution when handling electronics
3) Step-by-step assembly procedure
- Park the vehicle in a safe place and turn off the ignition.
- Disconnect the battery according to normal service practice.
- Carefully remove the surrounding covers and trim that prevent access to the tachometer.
- Undo the fasteners of the original instrument panel.
- Pull out the original speedometer just enough to allow safe access to the connectors.
- Unplug the electrical connectors without excessive force and check their condition.
- Compare the original and new part side by side, especially the numbers, connectors and mounts.
- Connect the connectors to the replacement tachometer and make sure they are properly seated.
- Sit the part in place and secure it with the original fasteners.
- Reinstall all covers and trim in the reverse order of removal.
- Connect the battery.
- Turn on the ignition and verify that the display, backlight and displayed data activate correctly.
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4) Post-assembly checks and test drive/function verification
- Check the readability of the display and the proper functioning of the backlight.
- Verify that normal operating information is displayed when the ignition is turned on.
- During a short test drive, observe the stability of the display and possible outages.
- After driving, recheck the firmness of the seat and whether there are any noises from unfinished plastics.
5) The most common assembly mistakes + how to avoid them
- Part replacement by appearance instead of by code – always compare product numbers and connectors.
- Damage to interior plastic parts – use a suitable pry bar and proceed without violence.
- Insufficiently seated connector – after connecting, lightly check that the connector is properly seated.
- Overlooking differences in design – always compare the old and new piece again before final fastening.
- Natural wear and tear of the electronics and display due to long-term use.
- Voltage fluctuations in the vehicle’s electrical system.
- Damage to connectors, contacts or wiring.
- Moisture, oxidation or contamination inside the instrument panel.
- Mechanical damage during unprofessional disassembly or assembly.
- The age of the part and the high total mileage of the vehicle.







