DTC Troubleshooting: P2229 (13)

DTC P2229:  BARO Sensor Circuit High Voltage

1.Turn the ignition switch ON (II).

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

Is about 120kPa (900 mmHg, 35.4 in.Hg), or 4.74 V or higher indicated?


YES - Go to 3.


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


3.Substitute a known-good ECM.

4.Check for Temporary DTCs or DTCs in the DTCs MENU with the HDS.

Are any Temporary DTCs or DTCs indicated?


YES - If DTC P2229 indicated, check for poor connections at the ECM, then go to 1. If any other Temporary DTCs or DTCs are indicated, go to the indicated DTC troubleshooting.


NO - Replace the original ECM.n