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Home >> Jeep >> 2020 >> Grand Cherokee Laredo, AWD, Automatic T/Case Control >> Repair and Diagnosis >> Engine Performance >> System >> 3.6L - DTCS P2172 To U01B0 >> DTC Troubleshooting >> P2504-Charging System Output High >> Possible Causes

Possible Causes

Possible Causes
OPEN OR HIGH RESISTANCE BETWEEN THE ALTERNATOR B+ TERMINAL AND THE PDC B+ TERMINAL
RESISTANCE IN THE FUSED B+ CIRCUIT BETWEEN THE PDC AND THE PCM
POWER DISTRIBUTION CENTER
ALTERNATOR
POWERTRAIN CONTROL MODULE (PCM)

Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding. Refer to  PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE, 3.6L  . 

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