P2228

DTC P2228: BARO Sensor Circuit Low Voltage**

NOTE:
- Information marked with an asterisk (*) applies to '01-03 models.
- Information marked with double asterisks (**) applies to '04 models.

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

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

YES - Update the ECM/PCM if it does not have the latest software, or substitute a known-good ECM/PCM, then recheck. If the symptom/indication goes away with a known-good ECM/PCM, replace the original ECM/PCM.

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