OBD Guide
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B19C4

Left Power Sliding Door Drive Close Direction Excessive Time

B19C4 is an OBD-II diagnostic trouble code meaning: Left Power Sliding Door Drive Close Direction Excessive Time. Common causes: mechanical obstacles in the guides, wear of rollers or guides. Estimated repair cost: $56–167.

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

Symptoms

  • Slow closing left sliding door
  • Intermittent door movement when closing
  • Automatic door stop until completely closed

Causes

  • Mechanical obstacles in the guides
  • Wear of rollers or guides
  • Door motor problems
  • Faulty wiring harness or contacts
  • Low voltage in the power circuit

How to Fix

  1. Visual inspection of guides and rollers for dirt or damage
  2. Checking door free movement manually
  3. Door drive motor diagnostics
  4. Checking the integrity of the wiring harness and contacts
  5. Power supply voltage measurement
  6. Lubrication of guides and rollers (if necessary)
  7. Replacing worn components

Related codes

B19C3B19C5B19C6

FAQ

What does the B19C4 code mean?

B19C4 is an OBD-II diagnostic trouble code that indicates: Left Power Sliding Door Drive Close Direction Excessive Time

What causes a B19C4 error code?

The most common causes of B19C4 include: Mechanical obstacles in the guides; Wear of rollers or guides; Door motor problems; Faulty wiring harness or contacts.

How do I fix a B19C4 diagnostic trouble code?

To fix B19C4: Visual inspection of guides and rollers for dirt or damage. Checking door free movement manually. Door drive motor diagnostics. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B19C4?

Limited driving only, diagnose soon

How much does it cost to fix B19C4?

The estimated repair cost for B19C4 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat