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U1207 Dodge Code - Lost Communication With Terrain Switch Bank Module

Quick Answer

The U1207 diagnostic trouble code for Dodge vehicles indicates that there is a communication failure with the Terrain Switch Bank Module. Common causes include Wiring or connection issues, such as a loose or corroded connection, Faulty Terrain Switch Bank Module, Malfunctioning CAN bus system. 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
U1207 Dodge indicates Lost Communication With Terrain Switch Bank Module.
Common causes
Common causes include Wiring or connection issues, such as a loose or corroded connection, Faulty Terrain Switch Bank Module, Malfunctioning CAN bus system.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 17, 2024
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Code U1207 Dodge Description

The U1207 diagnostic trouble code for Dodge vehicles indicates that there is a communication failure with the Terrain Switch Bank Module. This module is responsible for controlling various functions related to the vehicle's terrain management system, such as traction control, stability control, and other off-road driving features. When communication is lost with this module, it can lead to a variety of issues that affect the vehicle's performance and safety.

OBDII Code U1207 Dodge - Lost Communication With Terrain Switch Bank Module
U1207 Dodge Code - Lost Communication With Terrain Switch Bank Module

Common Causes of U1207 Dodge

  1. Wiring or connection issues, such as a loose or corroded connection
  2. Faulty Terrain Switch Bank Module
  3. Malfunctioning CAN bus system
  4. Software glitches in the vehicle's computer system
  5. Water damage or exposure to extreme temperatures affecting the module

Symptoms of U1207 Dodge

  1. Loss of traction control and stability control functions
  2. Warning lights illuminated on the dashboard, such as the traction control light or stability control light
  3. Erratic behavior of the terrain management system
  4. Difficulty engaging or disengaging off-road driving modes
  5. Vehicle may go into limp mode to protect itself from further damage

How to Fix U1207 Dodge

  1. Perform a thorough inspection of the wiring and connections related to the Terrain Switch Bank Module
  2. Test the Terrain Switch Bank Module for proper functionality
  3. Check the CAN bus system for any faults or communication issues
  4. Update the vehicle's software to the latest version, if necessary
  5. Clear the trouble codes and perform a test drive to ensure the issue has been resolved

Cost to Fix U1207 Dodge

The typical repair costs for addressing a U1207 code can vary depending on the specific cause of the communication failure. In general, the cost of parts for a new Terrain Switch Bank Module can range from $200 to $500, while labor costs can range from $100 to $300. Additional costs may be incurred for diagnostic testing, software updates, or any necessary wiring repairs. It's important to note that labor rates at auto repair shops can vary, so it's advisable to check with local shops for a more accurate estimate based on your location and vehicle model.

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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 U1207 Dodge Code

1. What are the common symptoms of OBDII code U1207 in a Dodge indicating lost communication with the Terrain Switch Bank Module?

- Common symptoms include issues with the 4WD system, traction control malfunctions, and dashboard warning lights related to the systems affected by the communication loss.

2. What are the possible causes of OBDII code U1207 in a Dodge?

- The code U1207 is typically triggered by faulty wiring, damaged connectors, a defective Terrain Switch Bank Module, or a communication error within the vehicle's network.

3. How can I diagnose the cause of OBDII code U1207 in my Dodge?

- Diagnosing the issue involves checking the wiring and connectors related to the Terrain Switch Bank Module, performing a visual inspection for any visible damage, and using a diagnostic scanner to pinpoint the communication fault.

4. Can a DIYer repair OBDII code U1207 in a Dodge?

- Repairing U1207 may require advanced diagnostic tools and technical knowledge. It is recommended to consult a qualified mechanic or a dealership for accurate diagnosis and repair.

5. Is it safe to drive with OBDII code U1207 present in a Dodge?

- It is not recommended to drive with unresolved U1207 code, as it may affect the vehicle's 4WD system and traction control, potentially compromising safety and performance.

6. What are the typical repair options for OBDII code U1207 in a Dodge?

- Repair options may include fixing wiring issues, replacing damaged connectors, repairing or replacing the Terrain Switch Bank Module, and ensuring proper communication within the vehicle's network.

7. Can resetting the OBDII code U1207 in a Dodge make the issue go away temporarily?

- Resetting the code may temporarily clear the dashboard warning lights, but the underlying issue causing the communication loss with the Terrain Switch Bank Module will likely persist and trigger the code again.

8. How much does it cost to repair OBDII code U1207 in a Dodge?

- Repair costs can vary depending on the specific cause of the communication error. It is advisable to obtain a diagnostic evaluation from a professional to determine the exact repair cost.

9. Can extreme weather conditions cause OBDII code U1207 to appear in a Dodge?

- Extreme weather conditions can potentially affect the electrical components and wiring in the vehicle, leading to communication errors and triggering codes like U1207. Inspecting and maintaining the vehicle regularly can help prevent such issues.

10. Will OBDII code U1207 in a Dodge affect the vehicle's overall performance?

- OBDII code U1207 may impact the proper functioning of the 4WD system and traction control, potentially affecting the vehicle's performance and safety features. It is important to address the issue promptly to ensure optimal vehicle operation.

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