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.
Error code: XM NO SIGNAL or XM ANTENNA is displayed
- Check the vehicle battery condition first.
- Check XM radio reception in an open area. Poor reception/interference can be caused by tall buildings, mountains, or high-voltage power lines.
- Park the vehicle outside with a clear view of the southern horizon.
Does the XM radio receive a signal?
YES - Reception interference operation is normal.
NO - Go to step 2.
- Check the XM antenna connector B (2P) at the XM receiver.
Is the XM antenna connector B connected?
YES - Go to step 3.
NO - Reconnect XM connector B, recheck XM radio operation. If the signal is restored, operation is normal. If signal not restored go to step 3.
- Turn the ignition switch ON (II).
- Turn on the audio unit select XM radio.
- Measure the voltage between XM receiver connector A (14P) No. 1 and No. 7 terminals and body ground.Fig 1: Measuring Voltage Between XM Receiver Connector A (14P) No. 1 And No. 7 Terminals And Body Ground
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Is there battery voltage?
YES - Go to step 6.
NO - Repair open in the wire between fuse No. 7 (7.5 A) under-dash fuse/relay box and XM receiver connector A (14P) No. 1 and No. 7 terminals.
- Measure the voltage between XM receiver connector A (14P) No. 11 terminal and body ground.
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Is there less than 0.1 V?
YES - Go to step 7.
NO - Repair open in the wire between XM receiver connector A (14P) No. 11 terminal and body ground (G501).
- Substitute a known-good XM antenna.
Does the XM radio receiver a signal?
YES - Replace the XM antenna.
NO - Substitute known-good XM antenna subharness. If XM radio receives signal, replace original XM antenna subharness. If the XM radio does not receive a signal, substitute a known-good XM receiver unit.
NO RELATED
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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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.