AutoCodes – Chrysler – U11F9 Chrysler

U11F9 Chrysler Code - Engine Did Not Respond To Adaptive Cruise Control Torque Request

Quick Answer

The Diagnostic Trouble Code (DTC) sets when the Module detects that the Powertrain Control Module is not responding to Adaptive Cruise Control (ACC) Module torque request. Common causes include Check for Body Control Module (BCM) codes, Faulty Powertrain Control Module (PCM). 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: U11F9 Chrysler indicates Engine Did Not Respond To Adaptive Cruise Control Torque Request.
Common causes: Common causes include Check for Body Control Module (BCM) codes, Faulty Powertrain Control Module (PCM).
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 618

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on May 03, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code U11F9 Chrysler Description

The Diagnostic Trouble Code (DTC) sets when the Module detects that the Powertrain Control Module is not responding to Adaptive Cruise Control (ACC) Module torque request.

OBDII Code U11F9 Chrysler - Engine Did Not Respond To Adaptive Cruise Control Torque Request - AutoCodes.com — U11F9 Chrysler Code - Engine Did Not Respond To Adaptive Cruise Control Torque Request

What does this mean?

What are the Possible Causes of the DTC U11F9 Chrysler?

Check for Body Control Module (BCM) codes
Faulty Powertrain Control Module (PCM)

How to Fix the DTC U11F9 Chrysler?

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 is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the U11F9 Chrysler 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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Need Help with the Code?

Get the U11F9 Chrysler code diagnosed by a professional: Find a repair shop in your area

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 U11F9 Chrysler Code

1. What are the common symptoms of OBDII code U11F9 in a Chrysler related to adaptive cruise control?

The common symptoms include the adaptive cruise control system not working properly, the engine not responding to torque requests from the cruise control module, and potential issues with the vehicle's speed control.

2. What are some possible causes of the OBDII code U11F9 in a Chrysler?

Possible causes include a malfunctioning cruise control module, faulty engine control module (ECM), wiring or communication issues between modules, or a problem with the throttle control system.

3. How can I diagnose the OBDII code U11F9 in my Chrysler?

Diagnosing this code typically involves using a professional OBDII scanner to retrieve the fault codes, checking the system for any visible damage or loose connections, and performing a thorough inspection of the cruise control and engine control systems.

4. What are some repair tips for fixing OBDII code U11F9 in a Chrysler?

Repair tips may include checking and repairing any damaged wiring, replacing faulty control modules, ensuring proper communication between modules, and recalibrating the cruise control system as needed.

5. Can I still drive my Chrysler with the OBDII code U11F9 present?

It is not recommended to drive the vehicle with unresolved cruise control issues, as it can affect the vehicle's performance and safety. It is best to address the problem promptly to ensure proper functionality.

6. How serious is the OBDII code U11F9 in a Chrysler?

While the code itself may not indicate a critical issue with the vehicle, it is important to address cruise control problems promptly to maintain safe and reliable operation of the vehicle.

7. Can I reset the OBDII code U11F9 in my Chrysler on my own?

Yes, you can attempt to reset the code using an OBDII scanner or by disconnecting the vehicle's battery for a few minutes. However, it is crucial to diagnose and address the underlying issue to prevent the code from reoccurring.

8. Are there any recalls or technical service bulletins related to OBDII code U11F9 in Chrysler vehicles?

It is advisable to check with Chrysler or consult technical service bulletins to see if there are any known issues or recalls related to the U11F9 diagnostic trouble code in your specific vehicle model.

9. How much does it typically cost to repair OBDII code U11F9 in a Chrysler?

The cost of repair can vary depending on the specific cause of the issue, the parts needed for replacement, and labor costs. It is recommended to consult with a trusted mechanic or dealership for an accurate estimate.

10. Is it possible to prevent the OBDII code U11F9 from appearing in my Chrysler in the future?

Regular maintenance and inspections of the cruise control system, engine control modules, and related components can help prevent issues that may trigger the U11F9 fault code.