B051E
Assist Step Disable Switch Circuit
B051E is an OBD-II diagnostic trouble code meaning: Assist Step Disable Switch Circuit. Common causes: open or short circuit in the switch circuit, assistant level switch faulty. Estimated repair cost: $56–167.
Symptoms
- Parking assistance system not working
- Disabling adaptive cruise control
- The malfunction lamp on the instrument panel lights up
Causes
- Open or short circuit in the switch circuit
- Assistant level switch faulty
- Problems with the control unit
- Oxidation of contacts
- Wiring harness damage
How to Fix
- Check the continuity of the switch circuit
- Inspect contacts for oxidation
- Test the assistant level switch
- Check the operation of the control unit
- Replace damaged components
Related codes
Error B051E by Vehicle Brand
FAQ
What does the B051E code mean?
B051E is an OBD-II diagnostic trouble code that indicates: Assist Step Disable Switch Circuit
What causes a B051E error code?
The most common causes of B051E include: Open or short circuit in the switch circuit; Assistant level switch faulty; Problems with the control unit; Oxidation of contacts.
How do I fix a B051E diagnostic trouble code?
To fix B051E: Check the continuity of the switch circuit. Inspect contacts for oxidation. Test the assistant level switch. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with B051E?
Limited driving only, diagnose soon
How much does it cost to fix B051E?
The estimated repair cost for B051E is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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