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
- Test EPC solenoid resistance
- Check wiring for shorts to ground or power
- Inspect transmission connector
- Monitor line pressure
Repair notes
Replace EPC solenoid. Repair shorted wiring.
Other Powertrain codes on this vehicle
P0001
Fuel Volume Regulator Control Circuit/Open
P0001
Fuel Volume Regulator Control Circuit/Open
P0002
Fuel Volume Regulator Control Circuit Range/Performance
P0002
Fuel Volume Regulator Control Circuit Range/Performance
P0003
Fuel Volume Regulator Control Circuit Low
P0003
Fuel Volume Regulator Control Circuit Low
P0004
Fuel Volume Regulator Control Circuit High
P0004
Fuel Volume Regulator Control Circuit High
P0010
Intake Camshaft Position Actuator Circuit/Open Bank 1
P0010
Intake Camshaft Position Actuator Circuit/Open Bank 1