OBD Guide
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B18D5

Driver Door Pawl Switch Stuck

B18D5 is an OBD-II diagnostic trouble code meaning: Driver Door Pawl Switch Stuck. Common causes: mechanical jamming of the switch, switch contact wear. Estimated repair cost: $33–111.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$33–111 (est.)

Symptoms

  • Incorrect operation of the central locking
  • False alarm
  • Door ajar indicator on the dashboard
  • Problems with the passive safety system

Causes

  • Mechanical jamming of the switch
  • Switch contact wear
  • Damage to the door wiring harness
  • Contact corrosion
  • Door control unit malfunction

How to Fix

  1. Check the door lock mechanism for jamming
  2. Test the switch with a multimeter
  3. Inspect the wiring harness for damage
  4. Clean switch contacts
  5. If necessary, replace the switch or the entire lock assembly

Related codes

B18D6B18D7B18D8

FAQ

What does the B18D5 code mean?

B18D5 is an OBD-II diagnostic trouble code that indicates: Driver Door Pawl Switch Stuck

What causes a B18D5 error code?

The most common causes of B18D5 include: Mechanical jamming of the switch; Switch contact wear; Damage to the door wiring harness; Contact corrosion.

How do I fix a B18D5 diagnostic trouble code?

To fix B18D5: Check the door lock mechanism for jamming. Test the switch with a multimeter. Inspect the wiring harness for damage. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B18D5?

Limited driving only, diagnose soon

How much does it cost to fix B18D5?

The estimated repair cost for B18D5 is $33–111. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat