: The transponder coil around the ignition barrel or the keyless entry antenna may be failing to transmit the signal.
: The BSI (the car's central "brain") may have lost its coding or is failing to communicate with the engine ECU. Troubleshooting Steps Before heading to a specialist, try these DIY fixes: Electrical circuit fault: have your vehicle repaired b173d peugeot
An active B173D code presents a mix of physical and electrical symptoms across your vehicle: : The transponder coil around the ignition barrel