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2018 LINCOLN MKX

2.7L EcoBoost V6AWDAUTOMATICgasturbo
5 active safety recalls on this vehicle — view recalls
Repairs0Labor1190Torque9534Fluid15DTC1932Battery0Maintenance0Recalls5
P1747high severityPowertrain

Electronic Pressure Control Solenoid Short Circuit

on 2018 Lincoln MKX 2.7L EcoBoost V6 · AWD

What this code means

The EPC solenoid has a short circuit. This causes incorrect line pressure in the transmission, leading to harsh shifting or slipping.

Symptoms

  • Check Engine Light
  • Very harsh shifts
  • Transmission bang into gear
  • Possible delayed engagement
  • Limp mode

Common causes

  • EPC solenoid wiring shorted
  • Faulty EPC solenoid (internal short)
  • Damaged transmission wiring harness
  • Corroded connector

Diagnostic steps

  1. Test EPC solenoid resistance
  2. Check wiring for shorts to ground or power
  3. Inspect transmission connector
  4. Monitor line pressure

Repair notes

Replace EPC solenoid. Repair shorted wiring.

Other Powertrain codes on this vehicle

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