E: Electronic Pressure Control (EPC) Solenoid

Pinpoint Test E - Electronic Pressure Control (EPC) Solenoid

DTC List: P1747 - EPC Circuit Failure Shorted
P1746- EPC Circuit Failure Open

NOTE: This pinpoint test is intended to diagnose the EPC solenoid electrical system only. To prevent replacement of good components, be aware that the following areas may be at fault:

Engine - Performance
Electrical - Battery, Input Sensors, Wiring Harnesses
Transmission - Internal Components, Cooling

This pinpoint test is intended to diagnose the following components:

Transmission wiring harness, EPC, EPC PWR

Internal Harness Diagram:

Pinpoint Test E: EPC Solenoid - E1:

Pinpoint Test E: EPC Solenoid - E2-E4:

Pinpoint Test E: EPC Solenoid - E5-E6:

Pinpoint Test E: EPC Solenoid - E7-E10:

Pinpoint Test E: EPC Solenoid - E11-E12: