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U11D4 Chrysler Code - Lost Pedal Position Message

Quick Answer

The U11D4 Chrysler code indicates that the vehicle's onboard computer has lost communication with the pedal position sensor. Common causes include Faulty pedal position sensor, Wiring or connection issues between the sensor and ECM, ECM software or hardware 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
U11D4 Chrysler indicates Lost Pedal Position Message.
Common causes
Common causes include Faulty pedal position sensor, Wiring or connection issues between the sensor and ECM, ECM software or hardware 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.
What is this?
Table of contents Created and updated by William Orellana on Sep 13, 2024
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Code U11D4 Chrysler Description

The U11D4 Chrysler code indicates that the vehicle's onboard computer has lost communication with the pedal position sensor. This sensor is responsible for monitoring the position of the accelerator pedal and sending this information to the engine control module (ECM). When this communication is lost, it can lead to a variety of performance issues and potentially unsafe driving conditions.

OBDII Code U11D4 Chrysler - Lost Pedal Position Message
U11D4 Chrysler Code - Lost Pedal Position Message

Common Causes of U11D4 Chrysler

  1. Faulty pedal position sensor
  2. Wiring or connection issues between the sensor and ECM
  3. ECM software or hardware malfunction
  4. Corrosion or damage to sensor connectors
  5. Electrical interference or signal disruption

Symptoms of U11D4 Chrysler

  1. Loss of power or acceleration
  2. Engine stalling or hesitation
  3. Rough idling
  4. Check engine light illuminated
  5. Reduced fuel efficiency

How to Fix U11D4 Chrysler

  1. Begin by conducting a thorough inspection of the pedal position sensor, wiring, and connectors for any visible damage or corrosion.
  2. Use a diagnostic scanner to retrieve and clear the U11D4 code from the ECM memory.
  3. Test the sensor's functionality using a multimeter to ensure it is sending accurate signals to the ECM.
  4. If the sensor is faulty, replace it with a new one following the manufacturer's guidelines.
  5. Reset the ECM and perform a test drive to verify that the issue has been resolved.

Cost to Fix U11D4 Chrysler

The cost of repairing a U11D4 Chrysler code can vary depending on the specific cause of the issue and the labor rates in your area. On average, you can expect to pay between $100 and $300 for parts and labor. Keep in mind that diagnostic time and labor rates at auto repair shops can fluctuate, so it's recommended to obtain quotes from multiple sources to ensure a fair price.

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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 U11D4 Chrysler Code

1. What are the common symptoms of OBDII code U11D4 Chrysler (Lost Pedal Position Message)?

The common symptoms include the check engine light coming on, reduced engine power, and potential difficulty accelerating or maintaining speed.

2. What are the possible causes of the U11D4 code in a Chrysler vehicle?

Potential causes of the U11D4 code include a faulty accelerator pedal position sensor, damaged wiring or connectors in the pedal position circuit, or issues with the powertrain control module (PCM).

3. How serious is the U11D4 code in a Chrysler vehicle?

The U11D4 code should be addressed promptly to avoid potential safety hazards and further damage to the vehicle. It is recommended to diagnose and repair the issue as soon as possible.

4. Can I continue to drive my Chrysler vehicle with the U11D4 code present?

It is not recommended to drive the vehicle with the U11D4 code present, as it may lead to reduced engine power and potentially unsafe driving conditions. It is best to have the issue diagnosed and repaired before driving the vehicle again.

5. How can I diagnose and repair the U11D4 code in my Chrysler vehicle?

Diagnosing the U11D4 code typically involves using a diagnostic scanner to retrieve the specific fault codes and then testing the accelerator pedal position sensor, wiring, and connectors for any faults. Repair may involve replacing the sensor, repairing damaged wiring, or addressing PCM issues.

6. Are there any DIY tips for troubleshooting the U11D4 code in a Chrysler vehicle?

While some basic diagnostic steps can be taken, such as checking for loose or damaged wiring connections, diagnosing and repairing the U11D4 code may require specialized tools and expertise. It is recommended to seek professional help for accurate diagnosis and repair.

7. Will resetting the fault codes make the U11D4 code disappear in my Chrysler vehicle?

Resetting the fault codes may temporarily clear the check engine light, but the U11D4 code is likely to reappear if the underlying issue is not addressed. It is important to diagnose and repair the root cause of the code to prevent future occurrences.

8. How much does it typically cost to fix the U11D4 code in a Chrysler vehicle?

The cost of repairing the U11D4 code can vary depending on the specific cause of the issue, the labor rates in your area, and whether any parts need to be replaced. It is recommended to obtain quotes from reputable mechanics or dealerships for an accurate estimate.

9. Can the U11D4 code be a recurring issue in Chrysler vehicles?

In some cases, the U11D4 code may reappear if the underlying problem persists or if related components fail. Proper diagnosis, repair, and regular maintenance can help prevent the code from recurring in the future.

10. Is the U11D4 code specific to Chrysler vehicles only?

While the U11D4 code may be more common in Chrysler vehicles, similar codes related to lost pedal position messages can occur in other vehicle makes and models. It is essential to refer to the specific diagnostic information for your vehicle when addressing this issue.

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