OBD Guide

B19B8

Left Power Sliding Door Drive Clutch Control Circuit High

B19B8 is an OBD-II diagnostic trouble code meaning: Left Power Sliding Door Drive Clutch Control Circuit High. Common causes: short circuit in control circuit to +12v, broken or damaged wiring harness. Estimated repair cost: $56–167.

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

Symptoms

  • Automatic opening/closing of the left sliding door does not work
  • The door may move jerkily
  • Warning message on instrument panel

Causes

  • Short circuit in control circuit to +12V
  • Broken or damaged wiring harness
  • Clutch solenoid valve malfunction
  • Problems with the sliding door control unit

How to Fix

  1. Check the integrity of the wiring harness and connectors
  2. Measure the clutch solenoid resistance
  3. Check control circuit voltage
  4. Scan the control unit for additional errors
  5. Replace damaged components if necessary

Related codes

FAQ

What does the B19B8 code mean?

B19B8 is an OBD-II diagnostic trouble code that indicates: Left Power Sliding Door Drive Clutch Control Circuit High

What causes a B19B8 error code?

The most common causes of B19B8 include: Short circuit in control circuit to +12V; Broken or damaged wiring harness; Clutch solenoid valve malfunction; Problems with the sliding door control unit.

How do I fix a B19B8 diagnostic trouble code?

To fix B19B8: Check the integrity of the wiring harness and connectors. Measure the clutch solenoid resistance. Check control circuit voltage. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B19B8?

Limited driving only, diagnose soon

How much does it cost to fix B19B8?

The estimated repair cost for B19B8 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat