P2228

DTC Troubleshooting: P2228, P2228

DTC P2228:

BARO Sensor Circuit Low Voltage

NOTE: Before you troubleshoot, record all freeze data and any on-board snapshot, and review the general troubleshooting information Initial Inspection and Diagnostic Overview.

1. Turn the ignition switch to ON (II), or press the engine start/stop button to select the ON mode.

2. Check the BARO SENSOR in the DATA LIST with the HDS.

Is about 53 kPa (15.6 inHg, 397 mmHg), or 1.08 V or less indicated?

YES -

Go to step 3.

NO -

Intermittent failure, the system is OK at this time.�

3. Update the ECM/PCM if it does not have the latest software ECM/PCM Update, or substitute a known-good ECM/PCM.

4. Check for Pending or Confirmed DTCs with the HDS.

Is DTC P2228 indicated?

YES -

Check for poor connections or loose terminals at the ECM/PCM. If the ECM/PCM was updated, substitute a known-good ECM/PCM, then recheck. If the ECM/PCM was substituted, go to step 1.

NO -

If the ECM/PCM was updated, troubleshooting is complete. If the ECM/PCM was substituted, replace the original ECM/PCM Service and Repair. If any other Pending or Confirmed DTCs are indicated, go to the indicated DTC's troubleshooting.�