B2209
DTC B2209: AcuraLink Control Unit Internal Error1. Connect the HDS to the DLC.
2. Turn the ignition switch to ON (II).
3. Clear the DTC with the HDS.
4. Turn the ignition switch to LOCK (0), then turn it ON (II) and wait 30 seconds or more.
5. Check for DTC with the HDS.
Is DTC B2209 indicated?
YES - AcuraLink control unit (XM receiver) is faulty, replace the AcuraLink control unit (XM receiver).
NO - Intermittent failure, AcuraLink control unit (XM receiver) is OK at this time.