Description
Throttle pedal potentiometer for Citroën C5 and Peugeot 407. With cruise control switch – kickdown. Tested, all values OK.
Product Overview
This accelerator pedal assembly with integrated potentiometer and cruise-control switch is a direct-fit solution for Citroën C5 and Peugeot 407 models. Manufactured by Bosch and cross-referenced with common OEM numbers, this unit restores accurate throttle position feedback to the engine control unit, ensures reliable cruise control operation and provides the kickdown signal for automatic transmissions. Ideal for professional mechanics and DIY enthusiasts looking for a precise replacement part to fix throttle response issues, cruise faults or intermittent accelerator problems.
Technical Information
- Manufacturer: Bosch
- Model: Citroën C5, Peugeot 407
- Product Codes: 9650341780, 0280755012
- Other Numbers: F00C3E2429, 1601Q4, 1601Q0, 280755012
Function And Typical Symptoms
The pedal potentiometer measures the accelerator position and sends an electrical signal to the engine control unit (ECU). The integrated cruise-control switch enables/resumes cruise functions, while the kickdown contact signals the transmission to downshift under heavy throttle. Faulty units typically cause symptoms such as erratic idle, delayed or unresponsive throttle, illuminated check engine light, cruise control failure, sudden limp-home mode and transmission not shifting properly on kickdown.
Common Causes Of Failure
Failures are most often caused by wear of the potentiometer contacts, contamination or moisture ingress, connector corrosion, damaged wiring or mechanical wear of the pedal mechanism (including weakened return spring). Problems often start intermittently and progress to persistent faults or stored diagnostic trouble codes.
Installation Recommendations
- Disconnect the negative battery terminal before starting work to avoid electrical faults.
- Remove any necessary trim panels to access the pedal assembly and disconnect the electrical connector carefully to avoid damaging terminals.
- Unscrew the mounting bolts and remove the old pedal assembly. Compare part numbers to ensure correct replacement.
- Fit the new pedal assembly, secure mounting bolts to the manufacturer’s specification, and reconnect the electrical connector ensuring a firm, corrosion-free contact.
- Reconnect the battery, clear fault codes and, if required, perform throttle/pedal adaptation or calibration using a diagnostic tool to ensure correct idle and driveability. Verify cruise control and kickdown functions during a controlled test drive.
Why This Part Fails Most Often
Mechanical wear and electrical degradation are the most common causes: constant movement abrades the potentiometer track, dust and moisture accelerate wear, and connector corrosion or wiring damage leads to intermittent signals. Vehicles used in humid or coastal environments, or those exposed to heavy contamination inside the cabin, are more prone to premature pedal sensor failure.
Compatibility Notes
Fits Citroën C5 and Peugeot 407 applications that use the listed part numbers. Cross-reference the product codes above with the vehicle’s existing part number to confirm fitment before installation.
