DTC B1A89-01: Satellite Antenna - General electrical failure: Action

Refer to the electrical circuit diagrams and check the satellite radio antenna circuit for short circuit to ground, short circuit to power, open circuit, high resistance
Using the manufacturer approved diagnostic system, clear the DTCs and retest. If the fault persists, install a new satellite radio antenna amplifier
Using the manufacturer approved diagnostic system, clear the DTCs and retest. If the fault persists, install a new satellite radio control module