PSA & Fiat BSI (Boîtier de Servitude Intelligent)
Central gateway and fuse module for Peugeot, Citroën, and Fiat.
Central gateway and fuse module for Peugeot, Citroën, and Fiat. Handles immobilizer transponders, power distribution, and cabin electronics.
Vad är PSA / Fiat BSI och vilken roll har den i fordonet?
Övergripande definition
BSI is the central intelligence module in PSA and Fiat vehicles, storing PIN codes, mileage, and security pairing tokens.
Kritiskt beroende & stöldskydd
Controls power rails, manages key handshakes with ECU, and bridges CAN/VAN buses.
Internal Hardware Architecture
What is inside the module? Microcontrollers, memory types, and bus networks.
Processor / MCU
- ›NEC 70F3237
- ›Motorola 9S12
- ›ST10
Memory Architecture
- ›EEPROM 24C128
- ›EEPROM 95128
- ›EEPROM 95160
- ›EEPROM 95640
Bus Networks
- ›CAN Bus
- ›VAN Bus
- ›LIN Bus
Kritiska interna komponenter på mönsterkortet
Generations & Revisions
Hardware architectures differ significantly across model years and platforms.
Bench EEPROM/Flash extraction and full cryptographic clone.
PSA BSI Valeo / Johnson Controls
- ✓Valeo / JCI platform
- ✓Integrated fuse array
- !Permanent Eco-Mode lock
- !EEPROM corruption on dead battery
Vehicle Functions
- 1Immobilizer & PIN code validation
- 2Wipers, lights, and central locking
- 3Mileage sync with instrument cluster
- 4Eco-mode power saving management
Common Faults & Symptoms
- Car permanently stuck in Eco Mode and will not crank
- Lights or wipers failing
- Odometer jump due to incorrect donor swap
- Key not recognized
Diagnostic Trouble Codes (DTC)
CAN network communication timeout.
Security configuration / invalid PIN error.
Searchable Article Numbers & OEM Codes
Compare donor part numbers and locate compatible replacements.
How Cloning & Repair Works
We interface directly with the BSI processor and EEPROM, verifying PIN codes and cryptographic keys before 1:1 deployment to a donor.
Vad vi kan utföra på laboratoriet:
Behöver du klona eller reparera din PSA / Fiat BSI?
Skicka in din trasiga originalenhet tillsammans med en begagnad donator, så utför vi 100% 1:1 kloning med 12 månaders garanti.