B2240

DTC Troubleshooting: B2240

DTC B2240:

XM Antenna Line Failure

1. Connect the HDS to the DLC How to Troubleshoot the AcuraLink.

2. Clear the DTC with the HDS.

3. Turn the ignition switch to LOCK (0) and then back to 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, the XM antenna is OK at this time. Check for poor connections or loose terminals at the AcuraLink control unit (XM receiver) and the XM antenna.

5. Check the XM antenna lead connection at the XM antenna or the AM/FM/XM antenna 2P connector and XM receiver connector B (2P).

Are the connectors connected?

YES -

- Sedan, substitute a known-good XM antenna Removal and Replacement, and recheck. If the symptom/indication goes away, replace the original XM antenna Removal and Replacement. If the symptom/indication is still present, update the AcuraLink control unit Programming and Relearning if it does not have the latest software, then recheck. If the software is the latest, replace the AcuraLink control unit (XM receiver).
- Sport Wagon, substitute a known-good AM/FM/XM antenna Diagrams, and recheck. If the symptom/indication goes away, replace the original AM/FM/XM antenna Diagrams. If the symptom/indication is still present, update the AcuraLink control unit Programming and Relearning if it does not have the latest software, then recheck. If the software is the latest, replace the AcuraLink control unit (XM receiver) AcuraLink Control Unit (XM Receiver) Removal/Installation.

NO -

Reconnect the connector, and recheck the DTC.