P2227

DTC P2227: BARO Sensor Range/Performance Problem (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. Start the engine. Hold the engine at 3,000 rpm without load (in neutral) until the radiator fan comes on, then let it idle.
3. Test-drive with the transmission in 4th gear.
4. Accelerate for 5 seconds using wide open throttle.
5. Check for a Temporary DTC with the HDS or a scan tool.

Is Temporary DTC P1106* (P2227)** 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.