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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 CASE GROUND HIGH RESISTANCE
GENERATOR
PCM

Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to DTCS P150D TO UO168, PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .

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