Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Audio System Symptom Troubleshooting - Error code: Check Antenna is displayed(With navigation) (2016-17)
- Check the vehicle battery condition first .
- Check the connectors for poor connections or loose terminals.
- Problem verification:
Press the engine start/stop button to select the ON mode.
- 2. Turn on the audio system, and select the XM radio.
Is Check Antenna displayed?
YES
The failure is duplicated, go to step 2.
NO
Intermittent failure, the system is OK at this time.
- Determine possible failure area (XM antenna, others):
Press the engine start/stop button to select the OFF mode.
- 2. Substitute a known-good AM/FM/XM/TEL/GPS antenna .
- 3. Press the engine start/stop button to select the ON mode.
- 4. Turn on the audio system, and select the XM radio.
Is Check Antenna displayed?
YES
Go to step 3.
NO
Replace the original AM/FM/XM/TEL/GPS antenna.
- Tuner unit check (substitution):
Press the engine start/stop button to select the OFF mode.
- 2. Substitute a known-good tuner unit , and recheck.
Does the symptom go away?
YES
Replace the original tuner unit.
NO
Replace the antenna main lead or the antenna sublead.
NO RELATED
Use the Manual With the Right Hardware
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.