DTC Troubleshooting: P2229 (13)

DTC P2229:  BARO Sensor Circuit High Voltage

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

1.Turn the ignition switch ON (II).

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

Is about 160 kPa (1,200 mmHg, 47.2 in.Hg), or 4.5 V or higher 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 P2229 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