AutoCodes – Jeep – U1207 Jeep

U1207 Jeep 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 Jeep 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 5,989

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

What does this mean?

What are the Possible Causes of the DTC U1207 Jeep?

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 Jeep?

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 Jeep 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 Jeep Code

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

- Common symptoms include issues with the 4WD system, traction control problems, and dashboard warning lights related to the terrain management system.

2. What are the potential causes of OBDII code U1207 in a Jeep?

- The code U1207 can be triggered by wiring issues, a faulty Terrain Switch Bank Module, a malfunctioning 4WD control module, or a communication bus fault.

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

- Diagnosis typically involves checking the wiring harness for any damage, testing the Terrain Switch Bank Module and related components, and using a scan tool to monitor communication between modules.

4. Is it safe to drive with OBDII code U1207 in a Jeep?

- It is not recommended to drive with this code present, as it can affect the proper functioning of the 4WD system and traction control, potentially compromising vehicle safety.

5. Can I reset OBDII code U1207 in my Jeep by disconnecting the battery?

- Disconnecting the battery may temporarily clear the code, but it is important to address the underlying issue causing the communication error to prevent the code from reappearing.

6. How can I repair OBDII code U1207 in my Jeep?

- Repairing this code involves fixing any wiring issues, replacing the Terrain Switch Bank Module if necessary, and ensuring proper communication between modules in the 4WD system.

7. Can a DIY enthusiast fix OBDII code U1207 in a Jeep, or is professional help needed?

- While some troubleshooting steps can be performed by a DIY enthusiast, diagnosing and repairing complex electrical issues like this code may require professional expertise to ensure proper resolution.

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

- The cost of repair can vary depending on the underlying cause, with expenses potentially including parts replacement, labor costs, and diagnostic fees from a mechanic or dealership.

9. Are there any preventive maintenance tips to avoid encountering OBDII code U1207 in a Jeep?

- Regularly inspecting and maintaining the vehicle's electrical system, avoiding water damage to wiring, and promptly addressing any warning lights related to the 4WD system can help prevent this code from appearing.

10. Can OBDII code U1207 in a Jeep cause damage to other vehicle components if left unaddressed?

- Ignoring this code can lead to further malfunctions in the 4WD system, traction control issues, and potential damage to other electronic components connected to the communication network, necessitating timely repair.