AutoCodes – Ford – P0122 2000 Ford F150

P0122 2000 Ford F150 Code - Throttle Position Sensor Circuit Low Input

Quick Answer

The throttle position sensor (TPS) responds to the accelerator pedal movement. Common causes include Faulty throttle position sensor, Throttle position sensor harness is open or shorted, Throttle position sensor circuit poor electrical connection. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means: P0122 2000 Ford F150 indicates Throttle Position Sensor Circuit Low Input .
Common causes: Common causes include Faulty throttle position sensor, Throttle position sensor harness is open or shorted, Throttle position sensor circuit poor electrical connection.
Severity: High - diagnose this code as soon as possible.
Can I drive?: Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

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Code Popularity 8,682

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Intermediate (2 / 3)

What is this?

Table of contents Created and updated by William Orellana on Jun 14, 2020

Description
Step-by-Step Diagnostic Guide
Possible Causes
How To Fix
Tech Notes
Cost to Diagnose
FAQs
Comments
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Code P0122 2000 Ford F150 Description

The throttle position sensor (TPS) responds to the accelerator pedal movement. This sensor is a kind of potentiometer which transforms the throttle position into output voltage, and emits the voltage signal to the Engine Control Module (ECM). In addition, the sensor detects the opening and closing speed of the throttle valve and feeds the voltage signal to the ECM.
Idle position of the throttle valve is determined by the ECM receiving the signal from the throttle position sensor. This sensor controls engine operation such as fuel cut. On the other hand, the Wide open and closed throttle position switch, which is built into the throttle position sensor unit, is not used for engine control.

OBDII Code P0122 2000 Ford F150 - Throttle Position Sensor Circuit Low Input - AutoCodes.com — P0122 2000 Ford F150 Code - Throttle Position Sensor Circuit Low Input

What does this mean?

What are the Possible Causes of the DTC P0122 2000 Ford F150?

Faulty throttle position sensor.
Throttle position sensor harness is open or shorted
Throttle position sensor circuit poor electrical connection

How to Fix the DTC P0122 2000 Ford F150?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What does this mean?

Code Tech Notes

The TP sensor circuit is monitored by the PCM for a low TP rotation angle (or voltage) input through the comprehensive component monitor (CCM). If during key ON engine OFF or key ON engine running the TP rotation angle (or voltage) changes below a minimum calibrated limit, the test fails.

Fault exhibits a symptom of limited power. A TP PID (TP VPID) reading less than 3.42% (0.17 volt) in key ON engine OFF, continuous memory or key ON engine running indicates a hard fault.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P0122 2000 Ford F150 code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P0122 2000 Ford F150 Code

1. What are the common symptoms of OBDII code P0122 on a 2000 Ford F150?

The common symptoms of P0122 include poor acceleration, stalling, rough idling, and issues with shifting gears.

2. What does the OBDII code P0122 on a 2000 Ford F150 indicate?

Code P0122 indicates a Throttle Position Sensor Circuit Low Input error on a 2000 Ford F150.

3. What are the possible causes of OBDII code P0122 on a 2000 Ford F150?

Possible causes of P0122 include a faulty throttle position sensor, damaged wiring or connectors in the sensor circuit, or issues with the powertrain control module.

4. How can I diagnose the Throttle Position Sensor Circuit Low Input issue on my 2000 Ford F150?

Diagnosing P0122 involves checking the throttle position sensor's voltage using a multimeter, inspecting the sensor's wiring for any damage, and ensuring proper connection to the powertrain control module.

5. Can I drive my 2000 Ford F150 with OBDII code P0122?

It is not recommended to drive your vehicle with code P0122, as it can lead to further damage and potential safety hazards. It is best to address the issue promptly.

6. How can I repair OBDII code P0122 on my 2000 Ford F150?

Repairing P0122 may involve replacing the throttle position sensor, repairing any damaged wiring or connectors, or reprogramming the powertrain control module.

7. Will resetting the OBDII code P0122 on my 2000 Ford F150 fix the issue?

Simply resetting the code may temporarily clear the error, but it will not fix the underlying problem causing P0122. Proper diagnosis and repair are necessary.

8. How much does it cost to fix OBDII code P0122 on a 2000 Ford F150?

The cost of fixing P0122 can vary depending on the exact cause of the issue. It may range from $100 to $300 for parts and labor.

9. Can a DIY enthusiast fix OBDII code P0122 on a 2000 Ford F150?

Depending on your mechanical skills and access to tools, it is possible to fix P0122 as a DIY project. However, if you are unsure, it is best to consult a professional mechanic.

10. How often does OBDII code P0122 occur in 2000 Ford F150 vehicles?

Code P0122 can occur in 2000 Ford F150 vehicles due to various factors, including sensor wear and electrical issues. Regular maintenance can help prevent such errors.