U1207 RAM 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 RAM 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.
Code U1207 RAM Description
What are the Possible Causes of the DTC U1207 RAM?
- 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 RAM?
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 RAM 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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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
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