U1207
Lost Communication With Terrain Switch Bank Module
U1207 is an OBD-II diagnostic trouble code meaning: Lost Communication With Terrain Switch Bank Module. Common causes: open or short circuit in the can bus communication circuit, terrain switch module power issues. Estimated repair cost: $17–167.
Symptoms
- Check Engine Light or All Wheel Drive System Is On
- Off-road mode switches do not work
- Cannot activate special driving modes
- All-wheel drive system operates in emergency mode
- Possible errors in other related systems
Causes
- Open or short circuit in the CAN bus communication circuit
- Terrain Switch Module Power Issues
- Malfunction of the switch module itself
- Corrosion or poor contact in connectors
- Problems with the main control unit
How to Fix
- Check fuses associated with the module
- Inspect the integrity of the wiring harness and connectors
- Check the presence of power and grounding on the module
- Diagnose the CAN bus for breaks or short circuits
- If necessary, replace the terrain switch module
Related codes
FAQ
What does the U1207 code mean?
U1207 is an OBD-II diagnostic trouble code that indicates: Lost Communication With Terrain Switch Bank Module
What causes a U1207 error code?
The most common causes of U1207 include: Open or short circuit in the CAN bus communication circuit; Terrain Switch Module Power Issues; Malfunction of the switch module itself; Corrosion or poor contact in connectors.
How do I fix a U1207 diagnostic trouble code?
To fix U1207: Check fuses associated with the module. Inspect the integrity of the wiring harness and connectors. Check the presence of power and grounding on the module. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with U1207?
Yes, but get it checked soon
How much does it cost to fix U1207?
The estimated repair cost for U1207 is $17–167. Actual cost depends on your vehicle, location, and labor rates.
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