OBD Guide
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B19AC

Right Power Sliding Door Control Circuit 1 Low

B19AC is an OBD-II diagnostic trouble code meaning: Right Power Sliding Door Control Circuit 1 Low. Common causes: open or short circuit in wiring harness, sliding door motor malfunction. Estimated repair cost: $56–167.

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

Symptoms

  • Right sliding door does not open/close
  • Intermittent sliding door operation
  • The malfunction indicator on the instrument panel lights up

Causes

  • Open or short circuit in wiring harness
  • Sliding door motor malfunction
  • Problems with the control relay
  • Sliding Door Control Module (PSDM) malfunction
  • Corroded contacts or poor connection

How to Fix

  1. Check the wiring harness for damage
  2. Check voltage and grounding in control circuit
  3. Test the sliding door motor
  4. Check relays and fuses
  5. Scan the PSDM module for errors
  6. If necessary, replace faulty components

Related codes

B19ADB19AEB19AF

FAQ

What does the B19AC code mean?

B19AC is an OBD-II diagnostic trouble code that indicates: Right Power Sliding Door Control Circuit 1 Low

What causes a B19AC error code?

The most common causes of B19AC include: Open or short circuit in wiring harness; Sliding door motor malfunction; Problems with the control relay; Sliding Door Control Module (PSDM) malfunction.

How do I fix a B19AC diagnostic trouble code?

To fix B19AC: Check the wiring harness for damage. Check voltage and grounding in control circuit. Test the sliding door motor. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B19AC?

Limited driving only, diagnose soon

How much does it cost to fix B19AC?

The estimated repair cost for B19AC is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat