DTC B1025-87: Transponder - Missing message: Action
- Refer to the relevant system wiring diagrams and check the LIN bus circuit for short circuit to ground, short circuit to power, open circuit, high resistance
- Refer to the relevant system wiring diagrams and check the activity key transceiver module power and ground circuits for open circuit, high resistance
- Using the manufacturer approved diagnostic system, clear the DTCs and retest. If the fault persists, install a new activity key transceiver module