OBD Guide

B1B44

Right Rear Outer Parking Aid Sensor

B1B44 is an OBD-II diagnostic trouble code meaning: Right Rear Outer Parking Aid Sensor. Common causes: damaged parking 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

  • No parking signal on the right rear side
  • False ARCHAR obstacle warnings
  • PDC system malfunction

Causes

  • Damaged parking sensor
  • Open or shorted wiring harness
  • Bad sensor connection
  • Damage to the sensor housing (water, dirt)
  • PDC control unit malfunction

How to Fix

  1. Check the physical condition of the sensor
  2. Check connections and wiring harness
  3. Test the sensor with a multimeter or diagnostic tool
  4. Replace sensor if necessary
  5. Reset the error and check the system operation

FAQ

What does the B1B44 code mean?

B1B44 is an OBD-II diagnostic trouble code that indicates: Right Rear Outer Parking Aid Sensor

What causes a B1B44 error code?

The most common causes of B1B44 include: Damaged parking sensor; Open or shorted wiring harness; Bad sensor connection; Damage to the sensor housing (water, dirt).

How do I fix a B1B44 diagnostic trouble code?

To fix B1B44: Check the physical condition of the sensor. Check connections and wiring harness. Test the sensor with a multimeter or diagnostic tool. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B1B44?

Limited driving only, diagnose soon

How much does it cost to fix B1B44?

The estimated repair cost for B1B44 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat