FEATURES

• They can either be built onto the PCB (On-Board) or housed separately in the key (Off-Board).
• Transponder chips are the part of the key that connect with the immobiliser and are often either carbon or glass.
• Programming: Diagnostically
• Reference: PCF7939FA ID47
• Transponder Type: Carbon
• Transponder chips work by forming a handshake between the vehicle key and the vehicle itself via an aerial near the ignition barrel.