Sirius Radio Say No Signal – 6 Reasons & How To Fix In 2024

Experiencing a “No Signal” message on your Sirius radio can be quite frustrating, leaving you wondering why your gadget has suddenly stopped working as expected. I’ve encountered this issue myself, and it’s certainly not ideal when you’re in the middle of enjoying your favorite tunes or talk shows.

Make sure the SiriusXM antenna cable is not bent or broken. To reset this message, turn your SiriusXM radio off and then back on. If you’re using a Dock & Play or Portable Radio, remove it from its docking cradle and reinstall it to attempt a reset.

This article will explore the common reasons behind this problem and provide solutions to help you get your Sirius radio back up and running based on my experience.

Causes Behind Sirius Radio Say No Signal:

Through my journey of troubleshooting and learning, I’ve gained insights into the common causes behind this issue and how to overcome them. Let’s delve into these reasons and find effective solutions to ensure the uninterrupted enjoyment of Sirius Radio.

1. Antenna Issues:

Siriusxm Refresh Signal Not Working? Antenna-related issues are one of the leading causes of a “No Signal” notice on your Sirius radio. Consider the following antenna-related issues:

  • Loose Antenna Cable: The antenna cable not firmly fastened to the dash mount is loose. These connections may loosen up with time, disrupting the transmission. 
  • Antenna Damage: If your Car’s XM antenna has been used for a long time, it may have incurred wear and tear.

Also Read: What Is TP On Car Radio

2. Sirius XM Reception or Obstructed Satelite Signal Problems:

Regarding SiriusXM reception, location matters, and signal reception may suffer in places surrounded by terrain impediments like trees, mountains, or hills. Additionally, signal loss can be caused by “dead zones” in isolated rural locations or obstructed surroundings like tunnels, parking garages, and areas with a lot of infrastructure, such as buildings and bridges.

Sirius XM Reception Or Obstructed Satelite Signal Problems

3. Mismatched FM Frequency:

A mismatched FM frequency may cause a “No Signal” indication and a lack of audio on your FM radio. SiriusXM radio frequently uses FM frequencies to deliver audio to your car’s radio.

4. Technical Glitches

Technical issues occasionally ruin your SiriusXM experience. Here are some typical problems to be aware of:

  • Radio Not Working: A blown amp fuse may cause your Sirius radio’s inability to operate. 
  • Messages “Updating” or “Loading”: On occasion, your XM radio may show messages such as “Updating” or “Loading.” The channel updates and routine system maintenance that these messages are a part of. 
  • Off Air Message: The “Off Air” indication often indicates that the channel you are attempting to access has not yet begun broadcasting. 

5. Radio Activation:

To get access to the satellite radio service, you must make sure the radio can correctly receive the SiriusXM signal. Without this activation, your radio can have trouble connecting to the SiriusXM network and may display the annoying “No Signal” message.

Radio Activation

Also Read: How To Keep Car Radio On At Drive-In

6. Receiver Problems:

A “No Signal” notice on your XM radio often indicates a problem with the antenna being used to receive XM radio signals or the radio receiver itself. This notification alerts you to potential issues affecting your radio’s capacity to receive and process XM radio broadcasts.

How To Fix Sirius Radio Say No Signal?

Fear not, I’ve delved into troubleshooting methods and discovered effective solutions to resolve this issue. Let’s explore how to fix the “No Signal” problem and get your Sirius radio back up and running smoothly.

1. Mounting Solution:

Properly mounting your antenna is crucial for optimal signal reception:

  • Sedans or Coupes: Mount the antenna on the front windscreen or above the rear window of a sedan or coupe.
  • Pickup Trucks: Place the antenna on pickup trucks over the front windscreen.
  • SUVs: Mount the antenna on the roof, assuming no obstacles exist.
  • Convertibles: You might put it on top of the front fender, the trunk lid, the front hood, or over the front windscreen.

2. Tuning In With The Right Frequency:

For uninterrupted SiriusXM reception, ensure your car radio is tuned to the right frequency and that you have chosen an active channel.

Tuning In With The Right Frequency

3. Resolve Technical Glitches:

  • Check the Amp Fuse: Find the amp fuse in your car’s box. This is typically located in the engine bay or under the dashboard.
  • Avoid Interrupting: During these upgrades, avoid attempting to reset or switch off your radio because doing so could interfere with the process. Wait until the notification is no longer present and your radio starts up typically.
  • Wait for Broadcast: The channel you are attempting to view has not yet started airing programming if you see the “Off Air” notice. Patience is your biggest ally in this situation. Please wait for the channel to begin airing; once it does, the message will disappear.

4. SiriusXM Refresh Signal:

If all else fails, request a signal refresh:

  • By Phone: To reset your Sirius radio, call 697-3373 or 888-5397-474 and follow the prompts.
  • Online: Visit the SiriusXM website and adhere to the directions for the online refresh. Before asking for a reset, be prepared with your radio ID.

5. Activate Radio:

Typically, you must follow SiriusXM’s detailed instructions to activate your radio. The Electronic Serial Number (ESN) that links your radio to your SiriusXM membership account must frequently be entered into their activation page as part of this process. 

Also Read: Car Radio Display Fading

6. Resolve Receiver Problems:

If the antenna system is in good working order, but the “No Signal” notice still appears, there may be a problem with the XM receiver. Dealer assistance is necessary to replace the XM receiver.

Resolve Receiver Problems

The old receiver must be deactivated before the dealer can activate the new replacement. This procedure guarantees that the new receiver is connected to your subscription and can adequately receive the XM signal.

1. How Do I Refresh My Siriusxm Signal?

To refresh your SiriusXM signal, text “Refresh” to 77917 and follow the instructions in the one-time text link. Ensure you’re near your radio to complete the process.

2. What Causes Xm Radio To Lose Signal?

Loss of signal in XM radio may result from wiring issues between the antenna and tuner, or between the tuner and stereo. Check for breaks, weak points, or loose connections to ensure sound quality and avoid interruptions.

3. Why Does My Sirius Radio Keep Saying Acquiring Signal?

If your Sirius radio repeatedly displays “Acquiring Signal,” it could be due to a loose antenna connection or obstruction. Consult your user manual for the specific message and troubleshooting steps.

4. Why Are My Sirius Channels Not Working?

Sirius channels may not work due to an inactive subscription. Check your account status in the Online Account Center to manage your subscription, pay bills, or reactivate your service. Visit to explore different subscription options.

5. How Do I Unlock Channels On Sirius Radio?

To unlock channels on Sirius radio, navigate to Browse > Parental > Lock/Unlock. A list of channels will appear, with a checkmark indicating a locked channel.

6. How Do I Set My Car Radio To Satellite Sirius?

To set your car radio to Sirius satellite, refer to your vehicle’s user manual for specific instructions. Typically, you’ll need to press the “SAT” or “SXM” button on your radio to access satellite radio mode. Then, use the tuning knob or channel buttons to navigate through available channels.

7. How Do I Reset My Sirius Radio Signal?

How To Reset Sirius Radio In Car? Park your car outside with a clear sky view and turn on the radio. Open the app, enable location services, and select “Scan VIN” or manually enter the radio ID. Then, choose “Send refresh signal now.”

8. Where Is The Siriusxm Antenna Located?

The antenna—often the magnetic mount antenna—should be positioned outside your car towards a clear sky to maximize signal reception.

9. Why Is My Siriusxm Radio Not Working In My Car?

Hold down the mute and tune buttons to restart the radio. For a factory reset, simultaneously press the hot and cold temperature buttons until an engineering menu appears (about 30 seconds), then select reset radio.

10. How Do I Sync My Sirius To My Car?

Access the Online Account Centre, select “Get another subscription,” choose “car + Streaming,” and follow the on-screen instructions to quickly and easily recover your trial. Note that you’ll need the Radio ID for your new vehicle.


Your Sirius radio’s “No Signal” notification need not prevent you from enjoying some music. You can troubleshoot and fix the problem independently if you know the possible causes and remedies in this article. You can restore uninterrupted access to your preferred SiriusXM programming by assuring a secure antenna connection, enhancing signal reception, selecting the correct frequency, or requesting a signal refresh.

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