What does P1901 mean on a Ford?

P1901. Turbine Shaft Speed Sensor Circuit Intermittent. Applies to F-150, Explorer, Ranger.

What causes P1901 on a Ford?

Intermittent turbine speed sensor Loose internal connector Heat-related sensor dropout Chafed internal harness Low fluid affecting the signal

How do I fix P1901 on a Ford?

Monitor turbine speed for dropouts Check fluid level and condition Inspect the internal connector Wiggle-test the harness Replace the sensor per findings

Code

P1901

Turbine Shaft Speed Sensor Circuit Intermittent

Category: Powertrain - Transmission
Severity: Check Engine Light
Applies to: F-150, Explorer, Ranger
Related: P0715 Input/Turbine Speed Sensor A Circuit Malfunction on OBD Codes List

Findings, check these first

Intermittent turbine speed sensor
Loose internal connector
Heat-related sensor dropout
Chafed internal harness
Low fluid affecting the signal

Standard procedure

Monitor turbine speed for dropouts
Check fluid level and condition
Inspect the internal connector
Wiggle-test the harness
Replace the sensor 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: P1901 Ford definition
live reference page (obdii.pro)
Supports: Ford-family meaning for P1901: TSS Circuit Intermittent Malfunction
Fetched directly. obdii.pro is a publisher independent of the engine-codes family.
P1901 FORD Code: Meaning, Causes, and Symptoms | OBD2 Codes
live reference page (obd2-codes.co)
Supports: Ford meaning for P1901: Turbine Shaft Speed Sensor Circuit Intermittent
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 P1901. Include your vehicle, the issue and a source if you have one.