Description
Overview
The ESP Switch (6554K6) for Peugeot 406 is a direct-fit control switch for the Electronic Stability Program. It enables the driver to engage or disable ESP functions and replaces a worn or faulty factory switch. This unit is intended for professional technicians and experienced DIYers working on PSA vehicles.
Features & Benefits
Reliable replacement to restore ESP control and driver confidence. The OEM-style design ensures correct fit and tactile response matching the factory switch. Frequently searched by part number 6554K6 for fast fitment checks and ordering.
Installation
Installation is straightforward for a competent mechanic: disconnect the battery, remove the instrument-panel trim surrounding the switch, unplug the electrical connector, release the retention clips and replace the switch. Typical install time is approximately 15–30 minutes. Recommended tools: trim removal tool, Phillips screwdriver and basic socket set. Always isolate the battery before working on vehicle electronics to prevent short circuits or fault codes.
Symptoms Of Failure
Common signs that the ESP switch needs replacement include a non-responsive button, intermittent operation or the ESP warning lamp illuminating on the dash. Failures are most often caused by worn internal contacts, moisture ingress or connector corrosion after prolonged service.
Compatibility & Fitment
This switch is designed for Peugeot 406 models. ESP was fitted to specific trim levels and later production years of the 406, so confirm compatibility by matching the part number 6554K6 (also referenced below) with your vehicle before ordering.
Technical Information
- Manufacturer: PSA Citroen Peugeot
- Model: Peugeot 406
- Product Codes: 6554K6
- Additional Numbers: 6554.K6; NFP
