U1207 RAM Code - Lost Communication With Terrain Switch Bank Module
Quick Answer
The U1207 diagnostic trouble code (DTC) 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 issues or loose connections in the communication system, Communication bus fault within the vehicle's network. 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 RAM indicates Lost Communication With Terrain Switch Bank Module.
- Common causes
- Common causes include Faulty Terrain Switch Bank Module, Wiring issues or loose connections in the communication system, Communication bus fault within the vehicle's network.
- 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.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
Code U1207 RAM Description
The U1207 diagnostic trouble code (DTC) indicates that the vehicle's onboard computer has lost communication with the Terrain Switch Bank Module. The Terrain Switch Bank Module is responsible for controlling various systems related to the vehicle's terrain management, such as traction control, stability control, and other driving modes. When communication is lost with this module, it can lead to a range of issues affecting the vehicle's performance and safety.
Common Causes of U1207 RAM
- Faulty Terrain Switch Bank Module.
- Wiring issues or loose connections in the communication system.
- Communication bus fault within the vehicle's network.
- Malfunctioning onboard computer or software glitch.
- Water damage or corrosion affecting the module or wiring.
Symptoms of U1207 RAM
- Traction control or stability control warning lights illuminated on the dashboard.
- Vehicle operating in limp mode with reduced power.
- Erratic behavior in handling and traction control.
- Vehicle may not start or have difficulty starting.
- Loss of functionality in terrain management systems.
How to Fix U1207 RAM
- Perform a thorough diagnostic scan to retrieve the U1207 code and pinpoint the exact cause of communication loss.
- Inspect wiring and connections related to the Terrain Switch Bank Module for any damage, corrosion, or loose connections.
- Test the Terrain Switch Bank Module for proper functionality or replace it if deemed faulty.
- Check the communication bus for any faults or interruptions and repair as necessary.
- Clear the DTC and perform a test drive to ensure the issue has been resolved.
Cost to Fix U1207 RAM
The typical repair costs for addressing a U1207 code can vary depending on the specific cause of the communication loss. In general, replacing a faulty Terrain Switch Bank Module can range from $200 to $500, including parts and labor. However, additional costs may apply if wiring repairs or diagnostic work are needed. It's advisable to consult with a professional mechanic to get an accurate estimate based on the vehicle's make and model, as well as the extent of the issue. Keep in mind that labor rates at auto repair shops can vary, so it's recommended to inquire about local rates for a more precise cost estimate.
Need more information about the U1207 RAM code?
Need more information on how to fix the U1207 RAM code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the U1207 RAM code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about U1207 RAM Code
1. What does the OBDII code U1207 RAM mean?
The U1207 code indicates a loss of communication with the Terrain Switch Bank Module, which affects the vehicle's terrain response system.
2. What are the common symptoms of the U1207 code?
Symptoms may include malfunctioning terrain modes, a warning message on the dashboard, or the Check Engine Light illuminating.
3. What causes the U1207 code to appear?
Common causes include a faulty Terrain Switch Bank Module, damaged wiring, loose connections, or a failure in the CAN bus communication network.
4. Can I drive my vehicle with the U1207 code?
While the vehicle may still be drivable, features like terrain response may not function properly, potentially affecting off-road or slippery condition performance.
5. How do I diagnose the U1207 code?
Diagnose the issue by inspecting wiring and connectors to the Terrain Switch Bank Module, scanning for other related codes, and testing the module itself for functionality.
6. What should I check first when troubleshooting U1207?
Start by checking for loose or corroded connections at the Terrain Switch Bank Module and inspecting the CAN bus wiring for damage.
7. How can the U1207 code be fixed?
Repairs may include cleaning or reconnecting wiring, replacing a damaged Terrain Switch Bank Module, or fixing faults in the CAN bus system.
8. Does the U1207 code always require replacing the Terrain Switch Bank Module?
No, the issue could be related to wiring, connectors, or network communication, so replacing the module should only be done after proper diagnostics.
9. How much does it cost to repair the U1207 code?
Repair costs vary depending on the issue, ranging from $50–$100 for minor wiring fixes to $300 or more for module replacement.
10. Can a software update resolve the U1207 code?
In some cases, a software update to the vehicle's control modules may resolve communication issues and clear the code.
Discuss the causes and fixes for U1207 RAM OBDII Code
Code U1207 RAM comments
No comments found for this page.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.