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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 >> P2627-O2 Sensor 1/1 Pump Cell Current Trim Circuit Low >> Set Conditions

Set Conditions

Set Condition:
The ECM detects a short to ground on the (K902) O2 1/1 Pump Cell Current Trim circuit for 2.0 seconds.

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