What causes P1745 on a Ford?

EPC solenoid stuck at maximum pressure Shorted EPC control circuit Failed pressure sensor over-reporting the correction need Valve body fault holding pressure high PCM strategy fault after a bad flash

How do I fix P1745 on a Ford?

Read actual line pressure with a gauge against commanded Test the EPC solenoid and circuit for shorts Check for harsh shifting symptoms matching the data Inspect the valve body pressure circuits Replace the EPC solenoid or repair the circuit as indicated

P1745 Line Pressure Too High For Too Long

Q: What does P1745 mean on a Ford?

P1745 — Line Pressure Too High For Too Long. Applies to F-150, Explorer, E-Series with electronic pressure control.

Category: Powertrain - Transmission
Severity: Check Engine Light
Applies to: F-150, Explorer, E-Series with electronic pressure control

What does P1745 mean on a Ford?

P1745 — Line Pressure Too High For Too Long. This Ford-enhanced code applies to F-150, Explorer, E-Series with electronic pressure control.

Common causes of P1745

EPC solenoid stuck at maximum pressure
Shorted EPC control circuit
Failed pressure sensor over-reporting the correction need
Valve body fault holding pressure high
PCM strategy fault after a bad flash

How to fix P1745

Read actual line pressure with a gauge against commanded
Test the EPC solenoid and circuit for shorts
Check for harsh shifting symptoms matching the data
Inspect the valve body pressure circuits
Replace the EPC solenoid or repair the circuit as indicated