If this sequence fails to restore communication, a professional technician will need to read the EEPROM data to reprogram your VIN and key transponders back into the module architecture.
According to technical forums and repair data, one of the leading causes of the 09B7 code is a failure of the . Exposure to high engine bay heat cycles can cause micro-cracks on the circuit board. This results in a drop in voltage or signal loss to the ECU, triggering code 09B7 [0†L10-L11]. 09b7 peugeot hot new