FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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P2228

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

NOTE:
- Information marked with an asterisk (*) applies to 2002-2003 models.
- Information marked with double asterisk (**) applies to 2004-2005 models.

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

Is DTC P1107* (P2228)** or P1108* (P2229)** 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.