Description
Description
This Bosch ESP/ABS control unit is designed for Peugeot 406 and compatible PSA Citroën/Peugeot models using the listed part numbers. The module manages Anti-Lock Braking (ABS) and Electronic Stability Program (ESP) functions by processing wheel speed sensors and controlling brake pressure to improve vehicle safety and stability.
Key Features
- Original Bosch design compatible with Peugeot 406 vehicles
- Controls ABS and ESP functions to prevent wheel lock and assist stability
- Direct fit for vehicles using part numbers 0265109089, 9650786280, 4542A4
- Suitable for professional mechanics and experienced DIY repairs
When To Replace
Typical symptoms include ABS or ESP warning lights, loss of ABS/ESP intervention, irregular braking response or fault codes stored in the vehicle ECU. Failures are frequently caused by connector corrosion, moisture ingress or age-related electronic component wear, especially on older vehicles.
Installation Notes
Replacement should be carried out by a qualified technician. General procedure: disconnect the battery, remove protective covers, unplug electrical connectors and release mounting hardware, then fit the replacement unit. After installation, brake system bleeding, system initialization and diagnostic coding may be required to restore full ABS/ESP functionality.
Technical Information
- Manufacturer: Bosch
- Model: Peugeot 406
- Product Codes: 0265109089, 9650786280, 4542A4
- Other Numbers: 4542A4 NFP
