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2014 LINCOLN MKX

3.7L V6AWDAUTOMATICgas
1 active safety recall on this vehicle — view recalls
Repairs0Labor984Torque7559Fluid15DTC1904Battery0Maintenance0Recalls1
P2504critical severityPowertrain

Charging System Voltage High

on 2014 Lincoln MKX 3.7L V6 · AWD

What this code means

Charging system output voltage exceeds maximum safe threshold.

Symptoms

  • Battery boiling/swelling
  • Bulbs burning out frequently
  • Check engine light
  • Electrical component damage

Common causes

  • Failed voltage regulator
  • ECM charging control fault
  • Ground strap issue

Diagnostic steps

  1. Measure charging voltage at various RPM
  2. Check voltage regulator
  3. Inspect ground straps

Repair notes

Replace alternator or voltage regulator. Check and repair grounds. Overcharging can damage expensive electronics.

Other Powertrain codes on this vehicle

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