OBD Guide
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B227B

Steering Shaft Position Sensor Malfunction

B227B is an OBD-II diagnostic trouble code meaning: Steering Shaft Position Sensor Malfunction. Common causes: malfunction of the steering shaft position sensor, open or shorted wiring harness. Estimated repair cost: $56–167.

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

Symptoms

  • Stiff steering wheel rotation
  • Flashing EPS indicator on the dashboard
  • Reduced power steering efficiency
  • Uneven effort when turning the steering wheel

Causes

  • Malfunction of the steering shaft position sensor
  • Open or shorted wiring harness
  • Poor contact in the sensor connector
  • Mechanical damage to the sensor
  • Problems with the power steering ECU

How to Fix

  1. Checking real sensor values with a diagnostic scanner
  2. Visual inspection of the sensor and wiring harness
  3. Checking continuity with a multimeter
  4. Cleaning the sensor connector contacts
  5. Replace the sensor if necessary
  6. Programming a new sensor (if required)

Related codes

C1610C1611C1612B227CB227D

FAQ

What does the B227B code mean?

B227B is an OBD-II diagnostic trouble code that indicates: Steering Shaft Position Sensor Malfunction

What causes a B227B error code?

The most common causes of B227B include: Malfunction of the steering shaft position sensor; Open or shorted wiring harness; Poor contact in the sensor connector; Mechanical damage to the sensor.

How do I fix a B227B diagnostic trouble code?

To fix B227B: Checking real sensor values with a diagnostic scanner. Visual inspection of the sensor and wiring harness. Checking continuity with a multimeter. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B227B?

Limited driving only, diagnose soon

How much does it cost to fix B227B?

The estimated repair cost for B227B is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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