B1F07
Auxiliary Switch Bank Module Internal
B1F07 is an OBD-II diagnostic trouble code meaning: Auxiliary Switch Bank Module Internal. Common causes: internal failure of the auxiliary switch module, short circuit in the module circuit. Estimated repair cost: $56–167.
Symptoms
- Incorrect operation of auxiliary functions (for example, heated seats)
- Check Engine light comes on
- Disabling assistance systems
Causes
- Internal failure of the auxiliary switch module
- Short circuit in the module circuit
- Broken wires in the harness
- Corrosion of module contacts
How to Fix
- Check the wiring harness for damage or corrosion.
- Check the power supply and ground of the module
- Replace auxiliary switch module if necessary
- Reset the error using an OBD-II scanner
Related codes
FAQ
What does the B1F07 code mean?
B1F07 is an OBD-II diagnostic trouble code that indicates: Auxiliary Switch Bank Module Internal
What causes a B1F07 error code?
The most common causes of B1F07 include: Internal failure of the auxiliary switch module; Short circuit in the module circuit; Broken wires in the harness; Corrosion of module contacts.
How do I fix a B1F07 diagnostic trouble code?
To fix B1F07: Check the wiring harness for damage or corrosion.. Check the power supply and ground of the module. Replace auxiliary switch module if necessary. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with B1F07?
Limited driving only, diagnose soon
How much does it cost to fix B1F07?
The estimated repair cost for B1F07 is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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