AutoCodes – Dodge – U11D9 Dodge

U11D9 Dodge Code - Lost Engine Off Time Message

Quick Answer

This diagnostic checks the availability of the engine off time 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), 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: U11D9 Dodge indicates Lost Engine Off Time 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 1,299

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 U11D9 Dodge Description

This diagnostic checks the availability of the engine off time 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 sends a SNA default value to the Transmission Control Module (TCM). If the TCM reads this value then the Diagnostic Trouble Code (DTC) U11D9 is set.

OBDII Code U11D9 Dodge - Lost Engine Off Time Message - AutoCodes.com — U11D9 Dodge Code - Lost Engine Off Time Message

What does this mean?

What are the Possible Causes of the DTC U11D9 Dodge?

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

How to Fix the DTC U11D9 Dodge?

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 U11D9 Dodge 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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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 U11D9 Dodge Code

What does the OBDII code U11D9 mean for a Dodge vehicle?

The code U11D9 indicates a "Lost Engine Off Time Message," which means there is a communication issue between the powertrain control module (PCM) and other modules related to engine off time data.

What are the common symptoms associated with the U11D9 code?

Symptoms may include the check engine light being illuminated, potential performance issues, and possibly erratic behavior of engine-related functions.

What could cause the U11D9 code to trigger?

Causes may include wiring issues, connector corrosion, faulty sensors, or a malfunctioning PCM that is not receiving or transmitting the engine off time data correctly.

How can I diagnose the U11D9 code?

Begin by checking the vehicleâ€™s wiring and connectors for any visible damage or corrosion. Then, use an OBDII scanner to confirm the code and check for any related codes that might provide more context.

What steps can I take to repair the U11D9 code?

Repair steps may include cleaning or replacing corroded connectors, repairing damaged wiring, updating the PCM software, or replacing the PCM if it is found to be faulty.

Is the U11D9 code serious?

While it may not indicate an immediate safety risk, it can lead to engine performance issues and should be addressed promptly to avoid further complications.

Can I drive my Dodge vehicle with the U11D9 code?

You can drive the vehicle, but it is advisable to get the code diagnosed and repaired to ensure optimal performance and avoid potential long-term damage.

Will clearing the U11D9 code reset the check engine light?

Clearing the code may temporarily turn off the check engine light, but if the underlying issue is not resolved, the code is likely to return.

Can I fix the U11D9 code myself, or do I need a mechanic?

If you have experience with automotive diagnostics and repairs, you may be able to fix it yourself by checking wiring and connections. However, if you're unsure, it's best to consult a professional mechanic.