P2228

DTC P2228: BARO Sensor Circuit Low Voltage (2004 - 2005 models)

DTC P2229: BARO Sensor Circuit High Voltage (2004 - 2005 models)

NOTE:
- Information marked with an asterisk (*) applies to 2000-2003 models.
- Information marked with double asterisk (**) applies to 2004-2005 models.
- Before you troubleshoot, record all freeze data and review the general troubleshooting information.

1. Reset the ECM.
2. Turn the ignition switch ON (II).

Is DTC P1107* (P2228)** or P1108* (P2229)** indicated?

YES - Substitute a known-good ECM and recheck. If the symptom/indication goes away, replace the original ECM.

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