Ford Codes List

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655 Ford-enhanced codes on file

Code
P1747

Electronic Pressure Control Solenoid Short Circuit

Category
Powertrain - Transmission
Severity
Check Engine Light
Applies to
F-150, Explorer, Ranger, Taurus with E4OD, 4R70W and AX4S transmissions

Findings, check these first

  • Shorted EPC solenoid winding
  • Chafed internal transmission harness shorting the EPC circuit
  • Contaminated fluid bridging solenoid terminals
  • Failed PCM driver holding the circuit low
  • Corroded transmission bulkhead connector

Standard procedure

  1. Check the transmission fuse and EPC circuit for shorts to ground
  2. Measure EPC solenoid resistance at the transmission connector
  3. Inspect the internal harness for chafing where it crosses the valve body
  4. Check fluid for contamination and burnt odor
  5. Replace the solenoid or repair the harness, then verify line pressure control

Code lookup

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Sources and review

Review: checked against the recorded source material.

Last updated 2026-09-04.

Report a correction for P1747. Include your vehicle, the issue and a source if you have one.

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