DTC B2800-49, B2801-49, U3000-49: Internal Failure of the SRS Unit (2014-15)
NOTE:
- Before doing this troubleshooting procedure, find out if the vehicle was in a collision. If so, verify that all the required components were replaced with new components of the correct part number and were properly installed. Refer to: SRS Component Replacement/Inspection After Deployment
- Before troubleshooting any of these DTCs, check the 12 volt battery/system voltage and 12 volt battery cable connections . If the voltage is low, repair the charging system, test and charge the 12 volt battery, or replace the 12 volt battery before troubleshooting the SRS. If the 12 volt battery/system voltage is OK, ask the customer if the 12 volt battery ever went dead or if the engine was started and run with the 12 volt battery in a low state of charge. A dead 12 volt battery may trigger one or more of these DTCs.
- Before doing this troubleshooting procedure, review SRS Precautions and Procedures and General Troubleshooting Information .
- Before replacing the SRS unit, check the SRS unit software version with the HDS. If the software version is not the latest, update the SRS unit software , and retest.
| DTC Description | DTC |
|---|---|
| B2800-49 Internal failure of the SRS unit | |
| B2801-49 Internal failure of the SRS unit | |
| U3000-49 Internal failure of the SRS unit |
DTC (SRS)
- Problem verification
-1. Clear the DTCs with the HDS.
- 2. Turn the vehicle to the ON mode, then wait for 10 seconds.
- 3. Check for DTCs with the HDS.
DTC Description DTC B2800-49 Internal failure of the SRS unit B2801-49 Internal failure of the SRS unit U3000-49 Internal failure of the SRS unit Is DTC B2800-49, B2801-49, or U3000-49 indicated?
YES
The failure is duplicated. Replace the SRS unit .
NO
Intermittent failure, the system is OK at this time. Go to Troubleshooting Intermittent Failures . If another DTC is indicated, troubleshoot the DTC.