B051B
Right Side Assist Step Motor Control Circuit
B051B is an OBD-II diagnostic trouble code meaning: Right Side Assist Step Motor Control Circuit. Common causes: open or short circuit in control circuit, stepper motor fault. Estimated repair cost: $56–167.
Symptoms
- Incorrect operation of the right side step
- Lack of response to control commands
- The malfunction indicator on the instrument panel lights up
Causes
- Open or short circuit in control circuit
- Stepper motor fault
- Problems with the control unit
- Wiring harness damage
How to Fix
- Check the integrity of the stepper motor control circuit
- Check the condition of the stepper motor
- Check the operation of the control unit
- Replace damaged components
Related codes
Error B051B by Vehicle Brand
FAQ
What does the B051B code mean?
B051B is an OBD-II diagnostic trouble code that indicates: Right Side Assist Step Motor Control Circuit
What causes a B051B error code?
The most common causes of B051B include: Open or short circuit in control circuit; Stepper motor fault; Problems with the control unit; Wiring harness damage.
How do I fix a B051B diagnostic trouble code?
To fix B051B: Check the integrity of the stepper motor control circuit. Check the condition of the stepper motor. Check the operation of the control unit. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with B051B?
Limited driving only, diagnose soon
How much does it cost to fix B051B?
The estimated repair cost for B051B is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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