B2249

DTC Troubleshooting: B2249

DTC B2249: HIP Power Supply Abnormal (less than 9 V)

1. Connect the HDS to the DLC. How to Troubleshoot the Acura Link

2. Clear the DTC with the HDS.

3. Turn the ignition switch to LOCK (0), or press the engine start/stop button to select the OFF mode. and then back to ON (II), or the ON mode.

4. Check for DTC with the HDS.

Is DTC B2249 indicated?
YES - Go to step 5.

NO - Intermittent failure, HIP is OK at this time.


5. Turn the ignition switch to LOCK (0), or press the engine start/stop button to select the OFF mode.

6. Measure the voltage between AcuraLink control unit connector A (32P) terminals No. 1 and No. 28.

Is there 9 V or less?
YES - Faulty battery or +B line.

NO - Substitute a known-good AcuraLink control unit (XM receiver), Acura Link Control Unit (XM Receiver) Removal/Installation and retest. If the problem goes away, replace the original AcuraLink control unit (XM receiver).