OBD Guide
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B19BA

Left Power Sliding Door Drive Motor Incorrect Direction

B19BA is an OBD-II diagnostic trouble code meaning: Left Power Sliding Door Drive Motor Incorrect Direction. Common causes: incorrect motor connection polarity, mechanical obstacles in the door mechanism. Estimated repair cost: $56–167.

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

Symptoms

  • Sliding door won't open or close
  • The door moves in the opposite direction
  • The door stops while moving

Causes

  • Incorrect motor connection polarity
  • Mechanical obstacles in the door mechanism
  • Motor fault
  • Wiring Harness Problems
  • Malfunction of door position sensors

How to Fix

  1. Check the polarity of the electric motor connection
  2. Inspect the door mechanism for obstructions
  3. Check the condition of the wiring harness
  4. Test door position sensors
  5. Replace the electric motor if necessary

Related codes

B19BBB19BCB19BD

FAQ

What does the B19BA code mean?

B19BA is an OBD-II diagnostic trouble code that indicates: Left Power Sliding Door Drive Motor Incorrect Direction

What causes a B19BA error code?

The most common causes of B19BA include: Incorrect motor connection polarity; Mechanical obstacles in the door mechanism; Motor fault; Wiring Harness Problems.

How do I fix a B19BA diagnostic trouble code?

To fix B19BA: Check the polarity of the electric motor connection. Inspect the door mechanism for obstructions. Check the condition of the wiring harness. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B19BA?

Limited driving only, diagnose soon

How much does it cost to fix B19BA?

The estimated repair cost for B19BA is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat