P2503 DescriptionThe Powertrain Control Module (PCM) monitors the charging system for changes in the output voltage. The PCM set the OBDII P0503 code when the output voltage is out of factory specifications.
P2503 Information for specific makes
Need more help?Do you need more help with the P2503 code? Ask a question to our users or find an automotive repair shop near you to help fix the OBDII code
P2503 CommentsHelp us improve AutoCodes.com. Leave a comment below or tell us if the information above help you fix the code. What are the symptoms on your vehicle for the P2503 code? Have you replaced any parts?
Any information is appreciated. Thanks