Description
Transmission Controller – Gear Shift For Citroën And Peugeot Vehicles
Right Side
Description
OEM-quality gearshift controller / gear selector switch for Citroën and Peugeot vehicles, located on the right side of the steering column. This unit is designed to transmit driver gear-selection inputs to the vehicle’s transmission control systems, enabling precise and reliable gear changes. The part is commonly searched for by its product codes, so both experienced technicians and DIY enthusiasts will find the correct reference numbers here.
Applications And Fitment
Designed primarily for Citroën C4 series vehicles. Typical fitments include:
- Citroën C4 (first generation)
- Citroën C4 Picasso
- Citroën C4 Grand Picasso
Also used across related Stellantis platforms where the same steering-column controls are specified. Always compare part numbers when searching for a direct replacement.
Function And Common Symptoms
The gearshift controller translates mechanical or electronic input from the driver into signals for the transmission control module. Common symptoms of a failing unit include intermittent or non-responsive gear selection, unusual delay in gear engagement, or physical looseness or damage to the selector stalk. In many cases the driver experiences inconsistent shifting behavior rather than complete loss of function.
How The Part Is Replaced
Replacement of the gearshift controller is straightforward for a trained technician and feasible for experienced DIYers with basic tools. Typical procedure:
- Disconnect the negative battery terminal before starting to avoid short circuits and to protect vehicle electronics.
- Remove lower steering-column trim panels to gain access to the selector unit.
- Disconnect the electrical connector(s) and remove retaining screws or clips that secure the controller.
- Fit the replacement unit, secure fasteners, and reconnect the electrical connector(s).
- Reassemble trim panels and reconnect the battery. Verify correct operation by cycling through gears and checking for error indicators.
Installation Recommendations
- Always disconnect the battery prior to removal/installation and follow manufacturer procedures to avoid damage to electronic systems.
- Inspect connectors for corrosion or bent terminals; clean or repair as needed before fitting the new unit.
- Use correct torque values for retaining screws and ensure clips are fully engaged to avoid rattles or misalignment.
- If fault codes remain after replacement, perform a full diagnostic scan with workshop-grade equipment to clear codes and confirm proper communication with the transmission control module.
Why This Part Commonly Fails
- Mechanical Wear: Frequent use over many years leads to worn contacts or degraded internal mechanisms.
- Contamination: Dirt, moisture or spilled liquids can cause corrosion of electrical contacts and premature failure.
- Physical Damage: Impact, broken mounting tabs or accidental damage during steering column work can render the unit faulty.
- Connector Issues: Loose or corroded wiring connectors cause intermittent operation that is often mistaken for controller failure.
Technical Information
- Manufacturer: Stellantis (Citroën / Peugeot)
- Model: Citroën C4 I; Citroën C4 Picasso; Citroën C4 Grand Picasso
- Product Codes: 96481641XT, 6242N6
- Additional Numbers: 96481641 XT, 6242N6








