P1723 Gear 3 Incorrect Ratio

Category: Powertrain - Transmission
Severity: Check Engine Light
Applies to: F-150, Explorer, Ranger

What does P1723 mean on a Ford?

P1723 — Gear 3 Incorrect Ratio. This Ford-enhanced code applies to F-150, Explorer, Ranger.

Common causes of P1723

Slipping direct clutch
Low line pressure
Failed third-gear solenoid
Speed sensor fault
Low fluid level

How to fix P1723

Check fluid condition
Confirm the ratio with speed data
Test line pressure
Verify solenoid operation
Overhaul if mechanical slip is proven