AutoCodes – RAM – U11D7 RAM

U11D7 RAM Code - Lost Low Traction Message

Quick Answer

This diagnostic checks for the availability of the Electronic Stability Program (ESP) Requested Shift Schedule signal which is sent by the ESP via a Controller Area Network (CAN) message. Common causes include Faulty Powertrain Control Module (PCM), Faulty Anti-lock Braking System (ABS) Module. 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: U11D7 RAM indicates Lost Low Traction Message.
Common causes: Common causes include Faulty Powertrain Control Module (PCM), Faulty Anti-lock Braking System (ABS) Module.
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 451

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 U11D7 RAM Description

This diagnostic checks for the availability of the Electronic Stability Program (ESP) Requested Shift Schedule signal which is sent by the ESP via a Controller Area Network (CAN) message. The diagnostic checks the signal availability by checking if the received value is not equal to the Signal Not Available (SNA) default value. When the signal is not available, the ESP sends an SNA default value to the Transmission Control Module (TCM). If the TCM reads this value then the Diagnostic Trouble Code (DTC) U11D7 is set.

OBDII Code U11D7 RAM - Lost Low Traction Message - AutoCodes.com — U11D7 RAM Code - Lost Low Traction Message

What does this mean?

What are the Possible Causes of the DTC U11D7 RAM?

Faulty Powertrain Control Module (PCM)
Faulty Anti-lock Braking System (ABS) Module

How to Fix the DTC U11D7 RAM?

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 U11D7 RAM 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 U11D7 RAM Code

1. What are the common symptoms of OBDII code U11D7 RAM titled Lost Low Traction Message?

The common symptoms include the loss of the low traction message on the vehicle's dashboard display.

2. What could be causing the OBDII code U11D7 RAM to trigger the Lost Low Traction Message?

The code U11D7 RAM is typically triggered due to a communication error between the low traction control module and other vehicle systems.

3. How can I diagnose the issue related to the U11D7 RAM code and the Lost Low Traction Message?

A thorough diagnostic scan using an OBDII scanner can help pinpoint the exact cause of the communication error. Additionally, checking the wiring connections and fuses related to the low traction control module is recommended.

4. Can a low traction control module failure cause the U11D7 RAM code and Lost Low Traction Message?

Yes, a malfunctioning low traction control module can lead to the triggering of the U11D7 RAM code and the loss of the low traction message on the dashboard.

5. Are there any DIY repair tips for addressing the U11D7 RAM code and Lost Low Traction Message?

While basic troubleshooting like checking connections and fuses can be done by DIY enthusiasts, resolving the communication error related to the low traction control module may require professional assistance.

6. Is it safe to continue driving with the U11D7 RAM code and Lost Low Traction Message displayed?

It is recommended to address the underlying issue causing the code and message to ensure the vehicle's safety systems are functioning properly. Continuing to drive with unresolved communication errors can potentially impact vehicle performance.

7. How much does it typically cost to repair the U11D7 RAM code and resolve the Lost Low Traction Message issue?

The cost of repair can vary depending on the exact cause of the communication error. It is advisable to consult a professional mechanic for an accurate diagnosis and cost estimate.

8. Can resetting the OBDII system clear the U11D7 RAM code and restore the Low Traction Message?

Resetting the OBDII system may temporarily clear the code, but if the underlying issue causing the communication error is not addressed, the code and message may reappear.

9. Does the U11D7 RAM code only affect the low traction message, or can it impact other vehicle systems?

While the U11D7 RAM code is specifically related to the low traction message, communication errors within vehicle systems can sometimes have cascading effects on other functions. Regular diagnostics are recommended.

10. How can I prevent the recurrence of the U11D7 RAM code and Lost Low Traction Message in the future?

Regular maintenance checks, ensuring proper wiring connections, and addressing any issues promptly can help prevent the reoccurrence of the U11D7 RAM code and the loss of the low traction message on your vehicle.