Engine-CodesFord – P0229 Ford

P0229 Ford Code - Throttle/Pedal Position Sensor/Switch 'C' Circuit Intermittent

Quick Answer

The P0229 code for Ford vehicles indicates a problem with the throttle/pedal position sensor or switch 'C' circuit. Common causes include Faulty throttle/pedal position sensor, Wiring or connector issues in the sensor circuit, ECM software malfunction. 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
P0229 Ford indicates Throttle/Pedal Position Sensor/Switch 'C' Circuit Intermittent.
Common causes
Common causes include Faulty throttle/pedal position sensor, Wiring or connector issues in the sensor circuit, ECM software malfunction.
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.
Table of contents Created and updated by William Orellana on Sep 06, 2024
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Code P0229 Ford Description

The P0229 code for Ford vehicles indicates a problem with the throttle/pedal position sensor or switch 'C' circuit. This sensor is responsible for monitoring the position of the throttle pedal and sending signals to the engine control module (ECM) to adjust the throttle opening accordingly. An intermittent issue with this circuit can lead to erratic throttle response, poor fuel efficiency, and potential stalling or hesitation while driving. If left unaddressed, this issue can worsen over time and may eventually lead to more severe engine performance problems.

OBDII Code P0229 Ford - Throttle/Pedal Position Sensor/Switch 'C' Circuit Intermittent
P0229 Ford Code - Throttle/Pedal Position Sensor/Switch 'C' Circuit Intermittent

Common Causes of P0229 Ford

  1. Faulty throttle/pedal position sensor
  2. Wiring or connector issues in the sensor circuit
  3. ECM software malfunction
  4. Corrosion or damage to sensor components
  5. Electrical interference or short circuits

Symptoms of P0229 Ford

  1. Erratic throttle response
  2. Poor fuel efficiency
  3. Stalling or hesitation while driving
  4. Check Engine Light illuminated on the dashboard

How to Fix P0229 Ford

  1. Use a diagnostic scanner to retrieve the trouble code and pinpoint the exact cause of the issue.
  2. Inspect the throttle/pedal position sensor and its wiring for any signs of damage or corrosion.
  3. Replace the faulty sensor if necessary and ensure proper connection to the ECM.
  4. Clear the trouble code from the ECM memory and perform a test drive to verify that the issue has been resolved.
  5. If the problem persists, further diagnostics may be needed to identify any underlying electrical issues or ECM malfunctions.

Cost to Fix P0229 Ford

The cost of repairing a P0229 code on a Ford vehicle can vary depending on the specific cause of the issue. In general, the price range for parts replacement and labor could fall between $150 to $400. However, it's important to note that diagnostic time and labor rates at auto repair shops may differ based on location, vehicle make and model, and the expertise of the technician. It's recommended to inquire about local rates for a more accurate estimate.

When is the Code Detected?

An Intermittent voltage from the Throttle Position Sensor (TPS) is sent to Engine Control Module (ECM).

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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 P0229 Ford Code

1. What does the OBDII code P0229 mean on a Ford vehicle?

P0229 indicates an intermittent issue with the Throttle/Pedal Position Sensor/Switch 'C' Circuit, which monitors the throttle or accelerator pedal position.

2. What are the common symptoms of a P0229 code on a Ford?

Symptoms may include reduced engine power, hesitation during acceleration, poor fuel efficiency, and the Check Engine Light turning on.

3. What causes the P0229 code to appear on a Ford vehicle?

Common causes include a faulty throttle position sensor, damaged wiring or connections in the circuit, or a malfunctioning accelerator pedal position sensor.

4. Can I drive my Ford with the P0229 code active?

While the vehicle may still be drivable, it could experience reduced performance or enter "limp mode," so repairs should be made as soon as possible to avoid further damage.

5. How do I fix the P0229 code on my Ford?

Repairs may include replacing the throttle position sensor, repairing or replacing damaged wiring, cleaning corroded connectors, or recalibrating the throttle system.

6. Is the P0229 code related to the throttle body on a Ford?

Yes, it can be related to the throttle body, as the throttle position sensor is part of this assembly and monitors its operation.

7. How much does it cost to fix the P0229 code on a Ford?

Repair costs vary but can range from $100 to $400, depending on whether the issue is a sensor replacement, wiring repair, or throttle body servicing.

8. Can a dirty throttle body cause a P0229 code on a Ford?

A dirty or carbon-clogged throttle body can sometimes affect sensor readings and contribute to this code, so cleaning it may help resolve the issue.

9. How can I diagnose the P0229 code on my Ford?

Use an OBDII scanner to confirm the code, inspect the throttle position sensor and wiring for damage, and test the sensor’s voltage and continuity.

10. Does the P0229 code require reprogramming or a software update on a Ford?

In some cases, a software update or throttle body recalibration may be necessary after repairs, but this depends on the specific vehicle model and year.

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