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Home >> Jeep >> 2024 >> Wagoneer Carbide, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 14 (3.0L - DTCS P2F64-00 To U012D-00) >> DTC Troubleshooting >> U012D-00-Lost Communication With Alternator Control Module >> Possible Causes

Possible Causes

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Possible Causes
LIN BUS CIRCUIT OPEN/HIGH RESISTANCE
LIN BUS CIRCUIT SHORTED TO GROUND
ALTERNATOR
POWERTRAIN CONTROL MODULE (PCM)

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

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