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Home >> Jeep >> 2023 >> Grand Cherokee Altitude, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 71 (5.7L - DTCS P219B To P3400) >> DTC Troubleshooting >> P2504 Charging System Output High >> Possible Causes

Possible Causes

WARNING: This page is about a different variant/trim than selected.
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
BATTERY
POWER DISTRIBUTION CENTER
ALTERNATOR
POWERTRAIN CONTROL MODULE (PCM)

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