OBD Guide

B052B

Assist Step Position Sensor Supply Circuit

B052B is an OBD-II diagnostic trouble code meaning: Assist Step Position Sensor Supply Circuit. Common causes: sensor power supply circuit open, short circuit in the circuit. Estimated repair cost: $56–167.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • Assistant system not working
  • The indicator light on the dashboard comes on
  • Reduced efficiency of auxiliary systems

Causes

  • Sensor power supply circuit open
  • Short circuit in the circuit
  • Assistant level position sensor malfunction
  • Wiring harness damage
  • Contact corrosion

How to Fix

  1. Check the integrity of the sensor power supply circuit
  2. Check for short circuit
  3. Check the condition of the assistant stage position sensor
  4. Inspect the wiring harness for damage
  5. Clean contacts from corrosion
  6. If necessary, replace the sensor or wiring harness

Related codes

Error B052B by Vehicle Brand

FAQ

What does the B052B code mean?

B052B is an OBD-II diagnostic trouble code that indicates: Assist Step Position Sensor Supply Circuit

What causes a B052B error code?

The most common causes of B052B include: Sensor power supply circuit open; Short circuit in the circuit; Assistant level position sensor malfunction; Wiring harness damage.

How do I fix a B052B diagnostic trouble code?

To fix B052B: Check the integrity of the sensor power supply circuit. Check for short circuit. Check the condition of the assistant stage position sensor. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B052B?

Limited driving only, diagnose soon

How much does it cost to fix B052B?

The estimated repair cost for B052B is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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