What does P1772 mean on a Ford?

P1772. Throttle Position Sensor Short Circuit. Applies to F-150, Ranger, Explorer, Mustang.

What causes P1772 on a Ford?

TPS signal wire shorted Failed sensor shorted internally Chafed harness Connector moisture bridging terminals Reference short affecting the sensor

How do I fix P1772 on a Ford?

Locate the short with circuit isolation Inspect harness chafing Dry and seal the connector Test sensor resistance for internal shorts Repair wiring or replace the sensor

Code

P1772

Throttle Position Sensor Short Circuit

Category: Powertrain - Fuel/Air Metering
Severity: Check Engine Light
Applies to: F-150, Ranger, Explorer, Mustang
Related: P0121 Throttle/Pedal Position Sensor A Circuit Range/Performance Problem on OBD Codes List

Findings, check these first

TPS signal wire shorted
Failed sensor shorted internally
Chafed harness
Connector moisture bridging terminals
Reference short affecting the sensor

Standard procedure

Locate the short with circuit isolation
Inspect harness chafing
Dry and seal the connector
Test sensor resistance for internal shorts
Repair wiring or replace the sensor

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: P1772 Ford definition
live reference page (obdii.pro)
Supports: Ford-family meaning for P1772: THROTTLE POSITION SENSOR CIRCUIT LOW
Fetched directly. obdii.pro is a publisher independent of the engine-codes family.
P1772 FORD Code: Meaning, Causes, and Symptoms | OBD2 Codes
live reference page (obd2-codes.co)
Supports: Ford meaning for P1772: Throttle Position Sensor Short Circuit
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 P1772. Include your vehicle, the issue and a source if you have one.