AutoCodes – Dodge – U11B7 Dodge

U11B7 Dodge Code - Lost Communication With Terrain Switch

Quick Answer

The Diagnostic Trouble Code (DTC) sets when the Cluster does not receive information from the Terrain Switch. Common causes include Faulty Terrain Switch, Terrain Switch harness is open or shorted, Terrain Switch circuit poor electrical connection. 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: U11B7 Dodge indicates Lost Communication With Terrain Switch.
Common causes: Common causes include Faulty Terrain Switch, Terrain Switch harness is open or shorted, Terrain Switch circuit poor electrical connection.
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 542

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

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Table of contents Created and updated by William Orellana on Apr 27, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code U11B7 Dodge Description

The Diagnostic Trouble Code (DTC) sets when the Cluster does not receive information from the Terrain Switch.

OBDII Code U11B7 Dodge - Lost Communication With Terrain Switch - AutoCodes.com — U11B7 Dodge Code - Lost Communication With Terrain Switch

What does this mean?

What are the Possible Causes of the DTC U11B7 Dodge?

Faulty Terrain Switch
Terrain Switch harness is open or shorted
Terrain Switch circuit poor electrical connection

How to Fix the DTC U11B7 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 U11B7 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 U11B7 Dodge Code

1. What are the common symptoms of OBDII code U11B7 Dodge (Lost Communication With Terrain Switch)?

- Common symptoms include illuminated dashboard warning lights, disabled terrain mode selection, and potential loss of traction control functionality.

2. What are the possible causes of the U11B7 code in a Dodge vehicle?

- The U11B7 code in a Dodge vehicle may be caused by a faulty terrain switch, damaged wiring or connectors, a defective control module, or communication network issues.

3. How can I diagnose the U11B7 code related to the terrain switch communication issue?

- Diagnosis typically involves using a professional OBDII scanner to retrieve the specific fault code, inspecting the terrain switch and related wiring for damage, and checking the communication network for any faults.

4. Is it safe to continue driving with the U11B7 code triggered in my Dodge vehicle?

- It is not recommended to continue driving with the U11B7 code triggered, as it may affect the vehicle's traction control system and compromise overall safety.

5. What are some repair tips for fixing the U11B7 code associated with the terrain switch communication problem?

- Repair tips may include checking and repairing damaged wiring or connectors, replacing the faulty terrain switch, reprogramming the control module, and ensuring proper communication network functionality.

6. Can I reset the U11B7 code in my Dodge without fixing the underlying issue?

- While you can temporarily clear the code with an OBDII scanner, it is important to address the root cause of the communication problem to prevent the code from reoccurring.

7. How much does it typically cost to repair the U11B7 code in a Dodge vehicle?

- The cost of repairing the U11B7 code can vary depending on the specific cause and required repairs, but it may involve expenses for parts replacement, labor, and diagnostic services.

8. Are there any common DIY solutions for resolving the U11B7 code related to the terrain switch issue?

- DIY solutions may include visually inspecting wiring and connectors for damage, ensuring they are securely connected, and performing a reset using an OBDII scanner to see if the code clears.

9. Can extreme weather conditions or off-road driving impact the terrain switch communication and trigger the U11B7 code?

- Yes, extreme weather conditions or off-road driving can potentially damage the terrain switch or its connections, leading to communication issues and the triggering of the U11B7 code.

10. If I fix the communication issue causing the U11B7 code, will it automatically clear from the vehicle's system?

- After addressing and resolving the communication issue causing the U11B7 code, you may need to use an OBDII scanner to clear the code from the system memory for the dashboard warning light to turn off.