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Home >> Dodge and Ram >> 2021 >> Challenger SRT Hellcat, Automatic Trans >> Repair and Diagnosis >> Engine Performance >> System >> 6.2L - DTCS P2246 To U0121 >> DTC Troubleshooting >> P2503-Charging System Output Low >> Possible Causes

Possible Causes

Possible Causes
LOOSE OR BROKEN ACCESSORY DRIVE BELT OR DEFECTIVE TENSIONER
ALTERNATOR
POWERTRAIN CONTROL MODULE (PCM)

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

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