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.
XM Signal Reception Level Indication Mode
2012 Acura TL BaseSECTION XM Signal Reception Level Indication Mode
NOTE:
When you receive any XM complaint, do the XM self-diagnosis to check for any XM error codes. To get the XM error codes, do the following:
- Turn the ignition switch to ON (II), or press the engine start/stop button to select the ON mode.
- Select XM2 mode.
- Turn the ignition switch to LOCK (0), or press the engine start/stop button to select the OFF mode.
- Push and hold the preset No. 3 and No. 6 buttons.
- Turn the ignition switch to ON (II), or press the engine start/stop button to select the ON mode.
- While holding the buttons for 5 seconds, then release the buttons.
- Press and release preset No. 1 button to read the error code.
Error Code Displayed Solution SG NOSIG Move the vehicle to an open area, and recheck. If the signal does not improve, substitute a known-good XM antenna (see XM ANTENNA REPLACEMENT ), and recheck. SG GOOD The XM signal is OK. SG MARG The XM signal is OK. SG WEAK Move the vehicle to an open area, and recheck. If the signal does not improve, substitute a known-good XM antenna (see XM ANTENNA REPLACEMENT ), and recheck. SG VWEAK Move the vehicle to an open area, and recheck. If the signal does not improve, substitute a known-good XM antenna (see XM ANTENNA REPLACEMENT ), and recheck. - To end the XM self-diagnosis, turn the audio system off, or turn the ignition switch to LOCK (0), or press the engine start/stop button to select the OFF mode.
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
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.