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Engine-Codes – Generic – U1207

U1207 Code - Lost Communication With Terrain Switch Bank Module

Quick Answer

The U1207 code indicates that the vehicle's onboard computer has lost communication with the Terrain Switch Bank Module. Common causes include Faulty Terrain Switch Bank Module, Wiring or connection issues between the module and the onboard computer, Corrosion or damage to the module's connectors. 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 indicates Lost Communication With Terrain Switch Bank Module.
Common causes
Common causes include Faulty Terrain Switch Bank Module, Wiring or connection issues between the module and the onboard computer, Corrosion or damage to the module's connectors.
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 09, 2024
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Code U1207 Description

The U1207 code indicates that the vehicle's onboard computer has lost communication with the Terrain Switch Bank Module. The Terrain Switch Bank Module is a component that is responsible for controlling various systems related to the vehicle's terrain management, such as traction control, stability control, and possibly even the vehicle's off-road driving modes. When communication is lost with this module, it can lead to a variety of issues with the vehicle's performance and safety systems.

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

Common Causes of U1207

  1. Faulty Terrain Switch Bank Module
  2. Wiring or connection issues between the module and the onboard computer
  3. Corrosion or damage to the module's connectors
  4. Software issues or glitches in the onboard computer
  5. Electrical interference or communication bus issues

Symptoms of U1207

  1. Loss of traction control and stability control
  2. Inability to switch between different driving modes
  3. Warning lights related to terrain management systems on the dashboard
  4. Decreased overall vehicle performance

How to Fix U1207

  1. Diagnose the issue using a diagnostic scanner to confirm the U1207 code and pinpoint the exact cause of the communication loss.
  2. Inspect the wiring and connections between the Terrain Switch Bank Module and the onboard computer for any damage or corrosion.
  3. Test the Terrain Switch Bank Module to determine if it is faulty and needs to be replaced.
  4. Clear the code from the onboard computer's memory after addressing the root cause of the communication loss.
  5. Test drive the vehicle to ensure that the issue has been resolved and that all systems are functioning properly.

Cost to Fix U1207

The typical repair costs for addressing a U1207 code can vary depending on the specific cause of the communication loss. On average, the cost of replacing a faulty Terrain Switch Bank Module can range from $200 to $500, including parts and labor. However, additional costs may be incurred if there are wiring issues or if further diagnostics are required. It is advisable to consult with a trusted mechanic or auto repair shop to get a more accurate estimate based on the specific circumstances of the vehicle. Labor rates at auto repair shops can vary, so it's recommended to inquire about rates in your local area for a more precise cost estimate.

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Code U1207 Information for Specific Makes

  • U1207 Chrysler — Lost Communication With Terrain Switch Bank Module
  • U1207 Dodge — Lost Communication With Terrain Switch Bank Module
  • U1207 Jeep — Lost Communication With Terrain Switch Bank Module
  • U1207 RAM — Lost Communication With Terrain Switch Bank Module
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.

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