| DTC P2228: | BARO Sensor Circuit Low Voltage |
| 1. | Turn the ignition switch ON (II). |
| 2. | Check the BARO SENSOR in the DATA LIST with the HDS. Is about 53 kPa (397 mmHg, 15.6 in.Hg), or 1.58 V or less indicated? YES - Go to 3. NO - Intermittent failure, system is OK at this time.n |
| 3. | Update the ECM/PCM if it does not have the latest software, or substitute a known-good ECM/PCM. |
| 4. | Check for Temporary DTCs or DTCs with the HDS. Are any Temporary DTCs or DTCs indicated? YES - If DTC P2228 is indicated, check for poor connections or loose terminals at the ECM/PCM, then go to 1. If any other Temporary DTCs or DTCs are indicated, go to the indicated DTC's troubleshooting. NO - If the ECM/PCM was updated, troubleshooting is complete. If the ECM/PCM was substituted, replace the original ECM/PCM.n |