DTC B1B01-81: Key Transponder - Invalid serial data received: Action

Re-synchronise ID by reconfiguring the central junction box as a new module. Re-synchronise ID by reconfiguring the keyless vehicle module as a new module
Refer to the applicable SYSTEM WIRING DIAGRAMS and check the keyless vehicle module power and ground circuits for open circuit, high resistance
Using the manufacturer approved diagnostic system, perform a CAN network integrity test. Refer to the applicable SYSTEM WIRING DIAGRAMS and check the medium speed CAN bus (body) circuit for short circuit to ground, short circuit to power, open circuit, high resistance