AutoCodes – Dodge – U1207 Dodge

U1207 Dodge Code - Lost Communication With Terrain Switch Bank Module

Quick Answer

The Diagnostic Trouble Code (DTC) sets when the Body Control Module (BCM) does not receive information from the Transfer Case Switch. Common causes include Faulty Transfer Case Switch, Transfer Case Switch harness is open or shorted, Transfer Case 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: U1207 Dodge indicates Lost Communication With Terrain Switch Bank Module.
Common causes: Common causes include Faulty Transfer Case Switch, Transfer Case Switch harness is open or shorted, Transfer Case 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 751

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 U1207 Dodge Description

The Diagnostic Trouble Code (DTC) sets when the Body Control Module (BCM) does not receive information from the Transfer Case Switch.

OBDII Code U1207 Dodge - Lost Communication With Terrain Switch Bank Module - AutoCodes.com — U1207 Dodge Code - Lost Communication With Terrain Switch Bank Module

What does this mean?

What are the Possible Causes of the DTC U1207 Dodge?

Faulty Transfer Case Switch
Transfer Case Switch harness is open or shorted
Transfer Case Switch circuit poor electrical connection

How to Fix the DTC U1207 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 U1207 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 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.