B1F08
Terrain Switch Bank Module Internal
B1F08 is an OBD-II diagnostic trouble code meaning: Terrain Switch Bank Module Internal. Common causes: terrain switch module internal fault, damage to the wiring harness connected to the module. Estimated repair cost: $111–333.
Symptoms
- Incorrect operation of driving modes (for example, snow, mud, sand)
- Check Engine light comes on
- Loss of power or unstable engine operation in certain modes
Causes
- Terrain switch module internal fault
- Damage to the wiring harness connected to the module
- Corrosion of contacts or connectors
- Module software failure
How to Fix
- Check wiring harness and connectors for damage or corrosion
- Scan the module for additional errors
- Reload the module (if possible)
- Replace the terrain switch module if necessary
Related codes
FAQ
What does the B1F08 code mean?
B1F08 is an OBD-II diagnostic trouble code that indicates: Terrain Switch Bank Module Internal
What causes a B1F08 error code?
The most common causes of B1F08 include: Terrain switch module internal fault; Damage to the wiring harness connected to the module; Corrosion of contacts or connectors; Module software failure.
How do I fix a B1F08 diagnostic trouble code?
To fix B1F08: Check wiring harness and connectors for damage or corrosion. Scan the module for additional errors. Reload the module (if possible). For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with B1F08?
Limited driving only, diagnose soon
How much does it cost to fix B1F08?
The estimated repair cost for B1F08 is $111–333. Actual cost depends on your vehicle, location, and labor rates.
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