DTC B1A89-49: SIRIUS XM Satellite Radio Antenna Amplifier Malfunction [Connectivity Master Unit]: Outline
WARNING: This page is about a different car, the 2020 Mazda CX-30. However, it is still accessible from the selected car via links, so may be relevant.
DTC B1A89:49 (CONNECTIVITY MASTER UNIT) DETECTION CONDITION AND POSSIBLE CAUSE
| System malfunction location |
Sirius XM satellite radio antenna amplifier malfunction |
| Detection condition |
- The remote tuner (RT) detects a communication error with the Sirius XM satellite radio antenna amplifier or a Sirius XM satellite radio antenna amplifier internal malfunction for 1.5 s.
|
| Fail-safe |
Not applicable |
| Possible cause |
- Sirius XM satellite radio antenna amplifier connector or terminal malfunction
- Remote tuner (RT) connector or terminal malfunction
- Sirius XM satellite radio antenna feeder malfunction
- Short to ground in Sirius XM satellite radio antenna amplifier signal circuit
- Short to power supply in Sirius XM satellite radio antenna amplifier signal circuit
- Open circuit in Sirius XM satellite radio antenna amplifier signal circuit
- Sirius XM satellite radio antenna amplifier malfunction
- Remote tuner (RT) malfunction
|
 Courtesy of MAZDA MOTORS CORP.
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