P2229
DTC P2229: BARO Sensor Circuit High Voltage - 2004 modelNOTE: Information marked with an asterisk (*) applies to 2000-2003 models.
1. Reset the ECM.
2. Turn the ignition switch ON (II).
Is DTC P2228 (P1107)* or P2229 (P1108)* indicated?
YES - Update the ECM if it does not have the latest software, or substitute a known-good ECM, then recheck. If the symptom/indication goes away with a known-good ECM, replace the original ECM.
NO - Intermittent failure, system is OK at this time.