OBD Guide

B128F

Park Assist Sensor 2

B128F is an OBD-II diagnostic trouble code meaning: Park Assist Sensor 2. Common causes: mechanical damage to the sensor, problems with wiring or harness. Estimated repair cost: $56–167.

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

Symptoms

  • Incorrect operation of the parking assistant system
  • False alarms of the system
  • Complete disabling of the parking assistance system

Causes

  • Mechanical damage to the sensor
  • Problems with wiring or harness
  • Sensor contamination
  • Incorrect system calibration
  • Software error

How to Fix

  1. Check the sensor for mechanical damage
  2. Clean the sensor from dirt
  3. Check the integrity of wiring and connections
  4. Diagnose the system using an OBD-II scanner
  5. If necessary, replace the sensor or calibrate the system

Related codes

FAQ

What does the B128F code mean?

B128F is an OBD-II diagnostic trouble code that indicates: Park Assist Sensor 2

What causes a B128F error code?

The most common causes of B128F include: Mechanical damage to the sensor; Problems with wiring or harness; Sensor contamination; Incorrect system calibration.

How do I fix a B128F diagnostic trouble code?

To fix B128F: Check the sensor for mechanical damage. Clean the sensor from dirt. Check the integrity of wiring and connections. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B128F?

Limited driving only, diagnose soon

How much does it cost to fix B128F?

The estimated repair cost for B128F is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat