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Home >> Jeep >> 2009 >> Grand Cherokee Laredo, 3.0 M, 4WD >> Repair and Diagnosis >> Engine Performance >> System >> DTCS P2239 To U0415 - Diesel >> P2A00-O2 Sensor 1/1 Circuit Performance >> Set Conditions

Set Conditions

Set Condition:
The Engine Control Module (ECM) detects an open or implausible voltage on the (Z43) O2 1/1 Negative Current Control for 2.0 seconds.

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