What does P1124 mean on a Ford?

P1124. Throttle Position Sensor Out of Self-Test Range. Applies to F-150, Ranger, Explorer, Mustang, Taurus.

What causes P1124 on a Ford?

Self-test run without pressing the throttle when prompted Worn TPS not reaching the commanded test voltage Binding throttle cable or linkage Carbon-blocked throttle bore limiting travel Failing TPS

How do I fix P1124 on a Ford?

Re-run the self-test and follow the throttle prompts exactly Check throttle cable free play and full travel Clean the throttle bore and plate Verify TPS voltage reaches wide-open spec Replace the sensor if it cannot reach test range with free linkage

Code

P1124

Throttle Position Sensor Out of Self-Test Range

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

Findings, check these first

Self-test run without pressing the throttle when prompted
Worn TPS not reaching the commanded test voltage
Binding throttle cable or linkage
Carbon-blocked throttle bore limiting travel
Failing TPS

Standard procedure

Re-run the self-test and follow the throttle prompts exactly
Check throttle cable free play and full travel
Clean the throttle bore and plate
Verify TPS voltage reaches wide-open spec
Replace the sensor if it cannot reach test range with free linkage

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: P1124 Ford definition
live reference page (obdii.pro)
Supports: Ford-family meaning for P1124: Throttle Position Sensor Out Of Self Test Range
Fetched directly. obdii.pro is a publisher independent of the engine-codes family.
P1124 FORD Code: Meaning, Causes, and Symptoms | OBD2 Codes
live reference page (obd2-codes.co)
Supports: Ford meaning for P1124: Throttle Position Sensor Out of Self-Test Range
Fetched directly. obd2-codes.co phrasing matches the engine-codes family, so it counts as one publisher.

Last updated 2026-09-04.

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