DTC B1A20-13: Antenna Amplifier Signal Circuit Malfunction [Connectivity Master Unit (Us)]: 4SD: Outline

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DTC B1A20:13 (CONNECTIVITY MASTER UNIT - US) DETECTION CONDITION AND POSSIBLE CAUSE (4SD)

System malfunction location	Antenna amplifier signal circuit malfunction
Detection condition	The remote tuner (RT) detects an open circuit in the antenna amplifier signal circuit or a disconnection with the antenna amplifier for 2 s.
Fail-safe	Not applicable
Possible cause	Remote tuner (RT) connector or terminal malfunction Antenna amplifier feeder malfunction Open circuit in antenna amplifier signal circuit Antenna amplifier malfunction Remote tuner (RT) malfunction
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