AutoCodes – Fiat – U11E2 Fiat

U11E2 Fiat Code - Lost Barometric Pressure Message

Quick Answer

This diagnostic determines the availability of the Atmospheric Pressure signal sent by the Powertrain Control Module (PCM) via a Controller Area Network (CAN) message. Common causes include Faulty Powertrain Control Module (PCM), Faulty Transmission Control Module (TCM). 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
U11E2 Fiat indicates Lost Barometric Pressure Message.
Common causes
Common causes include Faulty Powertrain Control Module (PCM), Faulty Transmission Control Module (TCM).
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 536
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on May 03, 2020
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Code U11E2 Fiat Description

This diagnostic determines the availability of the Atmospheric Pressure signal sent by the Powertrain Control Module (PCM) via a Controller Area Network (CAN) message. The diagnostic determines 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 sends an SNA default value. If the Transmission Control Module (TCM) reads this value then the Diagnostic Trouble Code (DTC) U11E2 is set.
OBDII Code U11E2 Fiat - Lost Barometric Pressure Message - AutoCodes.com
U11E2 Fiat Code - Lost Barometric Pressure Message

What are the Possible Causes of the DTC U11E2 Fiat?

  • Faulty Powertrain Control Module (PCM)
  • Faulty Transmission Control Module (TCM)

How to Fix the DTC U11E2 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 U11E2 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 U11E2 Fiat code?

Need more information on how to fix the U11E2 Fiat code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the U11E2 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 U11E2 Fiat Code

1. What are the common symptoms of OBDII code U11E2 Fiat indicating a Lost Barometric Pressure Message?

The common symptoms include rough idling, poor engine performance, decreased fuel efficiency, and potential stalling.

2. What are the possible causes of the U11E2 Fiat code related to a Lost Barometric Pressure Message?

The code can be triggered by a faulty barometric pressure sensor, damaged wiring or connectors in the sensor circuit, or issues with the engine control module.

3. How can I diagnose the issue causing the U11E2 Fiat code for a Lost Barometric Pressure Message?

Diagnosis typically involves checking the barometric pressure sensor for proper operation, inspecting the sensor wiring and connectors for damage, and performing a scan tool test to analyze sensor data.

4. What are some repair tips for resolving the U11E2 Fiat code related to a Lost Barometric Pressure Message?

Repair options may include replacing the barometric pressure sensor, repairing damaged wiring or connectors, or reprogramming the engine control module to address the issue.

5. Can driving with the U11E2 Fiat code present cause further damage to the vehicle?

Continued driving with the code may lead to worsening engine performance, reduced fuel efficiency, and potential long-term damage to engine components. It is advisable to address the issue promptly.

6. How long does it typically take to repair the U11E2 Fiat code associated with a Lost Barometric Pressure Message?

The repair time can vary depending on the exact cause of the issue, but it may take anywhere from 30 minutes to a few hours to diagnose and fix the problem.

7. Is it possible to reset the U11E2 Fiat code on my own, or should I seek professional help?

While you can attempt to clear the code using an OBDII scanner, it is recommended to address the underlying issue causing the code with the help of a professional mechanic to prevent it from reoccurring.

8. Are there any preventive measures to avoid encountering the U11E2 Fiat code in the future?

Regular vehicle maintenance, such as checking and replacing sensors as recommended by the manufacturer, can help prevent issues like the Lost Barometric Pressure Message triggering the U11E2 code.

9. Will the U11E2 Fiat code reset itself after repairs are made, or does it require manual clearing?

After repairs are made to address the underlying issue causing the code, it may be necessary to manually clear the code using an OBDII scanner to reset the vehicle's system.

10. Can extreme weather conditions or altitude changes contribute to triggering the U11E2 Fiat code for a Lost Barometric Pressure Message?

Yes, extreme weather conditions or significant altitude changes can impact barometric pressure readings and potentially trigger the U11E2 code, highlighting the importance of ensuring sensor accuracy and reliability.

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