B2240

DTC B2240: XM Antenna Error

1. Connect the HDS to the DLC.
2. Clear the DTC with the HDS.
3. Turn the ignition switch OFF, then turn it ON (II) and wait 30 seconds or more.
4. Check for DTC with the HDS.

Is DTC B2240 indicated?

YES - Go to step 5.

NO - Intermittent failure, AM/FM/XM antenna is OK at this time. Check for poor connections or loose terminals at the AcuraLink control unit (XM receiver) and AM/FM/XM antenna.

5. Check the XM antenna lead connection at the AcuraLink control unit (XM receiver) and at the AM/FM/XM antenna.

Is it connected properly?

YES - Substitute a known-good AM/FM/XM antenna, and recheck. If the symptom/indicated goes away, replace the original AM/FM/XM antenna. If the symptom/indicated is still present replace the AcuraLink control unit (XM receiver).

NO - Reconnect the connector, and recheck the DTC.