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Home >> Jeep >> 2022 >> Compass High Altitude >> Repair and Diagnosis >> Engine Performance >> System >> 2.4L - DTCS P2172 To P2308 >> DTC Troubleshooting >> P2238-O2 Sensor 1/1 Pump Cell Current Circuit Low >> Possible Causes
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Possible Causes

Possible Causes
O2 SENSOR CURRENT PUMP CIRCUIT SHORT TO GROUND
O2 SENSOR 1/1
POWERTRAIN CONTROL MODULE (PCM)

Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding. Refer to  PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE  . 

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