## DTC Troubleshooting: P2228 (13)

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 40kPa (300 mmHg, 11.8 in.Hg), or 1.58 V or less 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 P2228 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