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Home >> Jeep >> 2021 >> Grand Cherokee L Laredo, RWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 20 (5.7L - DTCS P2167 To U0151) >> DTC Troubleshooting >> P3401-Cylinder 1 Deactivation Control Circuit >> When Monitored

When Monitored

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This diagnostic runs continuously when the following condition is met:

Transition from 8 to 4 cylinder mode.

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