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Home >> Jeep >> 2012 >> Liberty Limited, 4WD, Part Time >> Repair and Diagnosis >> Engine Performance >> System >> 3.7L - DTCS P0580 To P2099 >> Diagnosis And Testing >> P0622-Generator Field Control Circuit >> Possible Causes
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Possible Causes

Possible Causes 
(K125) GEN FIELD CONTROL CIRCUIT SHORTED TO VOLTAGE
(K125) GEN FIELD CONTROL CIRCUIT OPEN
(K125) GEN FIELD CONTROL CIRCUIT SHORTED TO GROUND
GENERATOR
POWERTRAIN CONTROL MODULE (PCM)

Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to  PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE  .