What does P1722 mean on a Ford?

P1722. Gear 2 Incorrect Ratio. Applies to F-150, Explorer, Ranger.

What causes P1722 on a Ford?

Slipping intermediate clutch or band Low line pressure Failed second-gear solenoid Speed sensor error Low fluid

How do I fix P1722 on a Ford?

Check fluid level and smell Verify the ratio error with speed data Test line pressure Command second gear and watch engagement Repair the second-gear circuit per findings

Code

P1722

Gear 2 Incorrect Ratio

Category: Powertrain - Transmission
Severity: Check Engine Light
Applies to: F-150, Explorer, Ranger
Related: P0730 Incorrect Gear Ratio on OBD Codes List

Findings, check these first

Slipping intermediate clutch or band
Low line pressure
Failed second-gear solenoid
Speed sensor error
Low fluid

Standard procedure

Check fluid level and smell
Verify the ratio error with speed data
Test line pressure
Command second gear and watch engagement
Repair the second-gear circuit per findings

Code lookup

Type a code above, or start from a symptom or a common code.

Press / to jump to the box. Ford-enhanced powertrain, body, chassis and network codes. Generic P0xxx codes live on OBD Codes List.

Sources and review

Review: checked against the recorded source material.

OBDII.pro: P1722 Ford definition
live reference page (obdii.pro)
Supports: Ford-family meaning for P1722: Gear 2 Incorrect Ratio
Fetched directly. obdii.pro is a publisher independent of the engine-codes family.
P1722 FORD Code: Meaning, Causes, and Symptoms | OBD2 Codes
live reference page (obd2-codes.co)
Supports: Ford meaning for P1722: Gear 2 Incorrect Ratio
Fetched directly. obd2-codes.co phrasing matches the engine-codes family, so it counts as one publisher.

Last updated 2026-09-06.

Report a correction for P1722. Include your vehicle, the issue and a source if you have one.