P2228

DTC P2228: BARO Sensor Circuit Low Voltage (2005-2006 models)

1. Turn the ignition switch ON (II).
2. Check the BARO SENSOR in the DATA LIST with the HDS.

Is about 53 kPa (15.6 in.Hg, 397 mmHg), 1.58 V or less indicated?

YES - Go to step 3.

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

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 step 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.