AutoCodes – Fiat – U11D5 Fiat

U11D5 Fiat Code - Lost Driver Brake Torque Request Data

Quick Answer

This diagnostic checks the availability of the driver power request signal which is sent by the Powertrain Control Module (PCM) via a Controller Area Network (CAN) message. Common causes include 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: U11D5 Fiat indicates Lost Driver Brake Torque Request Data.
Common causes: Common causes include 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.

Save to My Repairs My Repairs

AI answers can be wrong. Verify repairs with testing. Open full chat

Code Popularity 2,128

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
Add Comment

💬 Need more help? Ask Coddy for instant answers — it's free!

Code U11D5 Fiat Description

This diagnostic checks the availability of the driver power request signal which is sent by the Powertrain Control Module (PCM) via a Controller Area Network (CAN) message. The diagnostic checks the availability by checking the received value is not equal to the Signal Not Available (SNA) default value. When the signal is not available, the PCM module sends an SNA default value to the Transmission Control Module (TCM). If the TCM reads this value then the Diagnostic Trouble Code (DTC) U11DA is set.

OBDII Code U11D5 Fiat - Lost Driver Brake Torque Request Data - AutoCodes.com — U11D5 Fiat Code - Lost Driver Brake Torque Request Data

What does this mean?

What are the Possible Causes of the DTC U11D5 Fiat?

Faulty Powertrain Control Module (PCM)

How to Fix the DTC U11D5 Fiat?

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 U11D5 Fiat 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.

Need more information about the U11D5 Fiat code?

Need more information on how to fix the U11D5 Fiat code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the U11D5 Fiat 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 U11D5 Fiat Code

1. What are the common symptoms of OBDII code U11D5 Fiat (Lost Driver Brake Torque Request Data)?

- Common symptoms include the brake system not functioning properly, the vehicle's braking performance being compromised, and the appearance of the check engine light.

2. What can cause the OBDII code U11D5 Fiat to trigger?

- The code U11D5 Fiat can be triggered by issues such as faulty brake sensors, damaged wiring in the brake system, or communication errors between the brake components and the vehicle's control module.

3. How serious is the U11D5 Fiat code?

- The U11D5 code is considered a serious issue as it directly affects the vehicle's braking system, compromising safety. It is recommended to address this code promptly.

4. Are there any DIY repair tips for resolving the U11D5 Fiat code?

- DIY repair tips include checking and ensuring the brake sensors are properly connected, inspecting the wiring for any damage, and clearing the code using an OBDII scanner.

5. Can driving with the U11D5 Fiat code present cause further damage?

- Driving with the U11D5 Fiat code present can potentially cause further damage to the vehicle's brake system and compromise overall safety. It is advisable to address the issue promptly.

6. How can I prevent the U11D5 Fiat code from reoccurring?

- To prevent the U11D5 Fiat code from reoccurring, regularly inspect and maintain the vehicle's brake system, address any warning signs promptly, and ensure proper communication between brake components.

7. Is it safe to continue driving my Fiat with the U11D5 code?

- It is not recommended to continue driving the Fiat with the U11D5 code present, as it can compromise the vehicle's braking performance and overall safety. Seek professional assistance to resolve the issue.

8. What are the potential risks of ignoring the U11D5 Fiat code?

- Ignoring the U11D5 Fiat code can pose risks such as brake system failure, reduced braking effectiveness, and potential safety hazards while driving.

9. How much does it typically cost to repair the U11D5 Fiat code?

- The cost of repairing the U11D5 Fiat code can vary depending on the underlying issue, but it may involve expenses for diagnostic testing, parts replacement, and labor. It is recommended to consult a professional for an accurate estimate.

10. Can resetting the OBDII code U11D5 Fiat temporarily resolve the issue?

- Resetting the U11D5 Fiat code may temporarily clear the check engine light, but if the underlying issue is not addressed, the code is likely to reappear. It is important to diagnose and fix the root cause of the problem.