DTC B1A56-13: Antenna - Circuit open: Action
- Refer to the appropriate system wiring diagrams and check the digital radio L-band antenna circuit for open circuit, high resistance
- Refer to the appropriate system wiring diagrams and check the digital radio L-band antenna amplifier circuit for open circuit, high resistance
- Using the manufacturer approved diagnostic system, clear the DTCs and retest. If the fault persists, install a new digital radio L-band antenna amplifier
- Using the manufacturer approved diagnostic system, clear the DTCs and retest. If the fault persists, install a new digital radio control module