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Home >> Jeep >> 2012 >> Wrangler Rubicon, Automatic Trans >> Repair and Diagnosis >> Engine Performance >> System >> 3.6L - DTCS P0456 To P0643 >> Diagnosis And Testing >> P0622-Generator Field Control Circuit >> Possible Causes

Possible Causes

Possible Causes 
(K20) GEN FIELD CONTROL CIRCUIT SHORTED TO BATTERY VOLTAGE
(K20) GEN FIELD CONTROL CIRCUIT OPEN
(K20) 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  . 

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