OBD Guide

B2089

Right Power Sliding Door Switch Open/Close Signal Input Error

B2089 is an OBD-II diagnostic trouble code meaning: Right Power Sliding Door Switch Open/Close Signal Input Error. Common causes: open or short circuit in wiring harness, oxidation of switch contacts. Estimated repair cost: $6–56.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$6–56 (est.)

Symptoms

  • Right sliding door does not respond to open/close commands
  • The door can open/close spontaneously
  • Error on dashboard display

Causes

  • Open or short circuit in wiring harness
  • Oxidation of switch contacts
  • Door switch malfunction
  • Body ECU software error

How to Fix

  1. Check the condition of the wiring harness in the door area for damage
  2. Check the switch contacts for oxidation
  3. Measure the resistance of the switch with a multimeter
  4. If necessary, replace the switch or repair the wiring harness
  5. Reset the error with a scanner and check for reappearance

Related codes

FAQ

What does the B2089 code mean?

B2089 is an OBD-II diagnostic trouble code that indicates: Right Power Sliding Door Switch Open/Close Signal Input Error

What causes a B2089 error code?

The most common causes of B2089 include: Open or short circuit in wiring harness; Oxidation of switch contacts; Door switch malfunction; Body ECU software error.

How do I fix a B2089 diagnostic trouble code?

To fix B2089: Check the condition of the wiring harness in the door area for damage. Check the switch contacts for oxidation. Measure the resistance of the switch with a multimeter. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B2089?

Limited driving only, diagnose soon

How much does it cost to fix B2089?

The estimated repair cost for B2089 is $6–56. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat