OBD Guide

B19BF

Right Power Sliding Door Drive Motor Incorrect Direction

B19BF is an OBD-II diagnostic trouble code meaning: Right Power Sliding Door Drive Motor Incorrect Direction. Common causes: mechanical failure of the door drive (gearbox, gears), problems with the wiring harness (open, short circuit). Estimated repair cost: $33–167.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$33–167 (est.)

Symptoms

  • Right sliding door does not open/close
  • Intermittent door movement
  • Automatic door lock

Causes

  • Mechanical failure of the door drive (gearbox, gears)
  • Problems with the wiring harness (open, short circuit)
  • Failure of the door position sensor
  • Drive motor error
  • DSDM module software failure

How to Fix

  1. Diagnostics of the state of the mechanical door drive
  2. Checking the integrity of the wiring harness and contacts
  3. Testing the operation of the electric motor
  4. Checking position sensor readings
  5. Reset error and check functionality
  6. If necessary, replace faulty components (motor, gearbox, harness)

Related codes

FAQ

What does the B19BF code mean?

B19BF is an OBD-II diagnostic trouble code that indicates: Right Power Sliding Door Drive Motor Incorrect Direction

What causes a B19BF error code?

The most common causes of B19BF include: Mechanical failure of the door drive (gearbox, gears); Problems with the wiring harness (open, short circuit); Failure of the door position sensor; Drive motor error.

How do I fix a B19BF diagnostic trouble code?

To fix B19BF: Diagnostics of the state of the mechanical door drive. Checking the integrity of the wiring harness and contacts. Testing the operation of the electric motor. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B19BF?

Limited driving only, diagnose soon

How much does it cost to fix B19BF?

The estimated repair cost for B19BF is $33–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat