2019 Ford Ranger OBD2 Code P2503 Charging System Voltage Low

What Does P2503 Code Mean?

OBD-II Code P2503 is defined as a Charging System Voltage Low

If the battery voltage falls below 10 volts for more than 8 seconds, code P2503 will be stored.

P2503 Symptoms

  • Engine may not start
  • Engine may stall

Common Problems That Trigger the P2503 Code

  • Alternator failure
  • Battery failure
  • Wiring issue

Common Repairs Needed for the P2503 Code

  • Battery Replacement
  • Alternator Replacement

OBD II Trouble Codes