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Home >> Jeep >> 2024 >> Grand Cherokee Summit >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 84 (2.0L - DTCS P2128 To P2227) >> DTC Troubleshooting >> P2227-Barometric Pressure Circuit Performance >> When Monitored

When Monitored

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This diagnostic runs once at ignition on when the following conditions are met: