OBD Guide
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B2186

Window Passenger Front Remote Down Switch Short To Battery

B2186 is an OBD-II diagnostic trouble code meaning: Window Passenger Front Remote Down Switch Short To Battery. Common causes: short circuit to positive in the switch circuit, window down switch malfunction. Estimated repair cost: $33–111.

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

Symptoms

  • Front right window remote down does not work
  • The window may roll down spontaneously
  • The power window system malfunction indicator is on

Causes

  • Short circuit to positive in the switch circuit
  • Window down switch malfunction
  • Wiring harness damage
  • Contact corrosion
  • Problems with the power window control unit

How to Fix

  1. Check the integrity of the wiring harness in the door
  2. Check resistance and operation of the switch
  3. Inspect contacts for corrosion
  4. Check for a short circuit to positive in the circuit
  5. If necessary, replace the switch or repair the wiring

Related codes

B2185B2187B2188

FAQ

What does the B2186 code mean?

B2186 is an OBD-II diagnostic trouble code that indicates: Window Passenger Front Remote Down Switch Short To Battery

What causes a B2186 error code?

The most common causes of B2186 include: Short circuit to positive in the switch circuit; Window down switch malfunction; Wiring harness damage; Contact corrosion.

How do I fix a B2186 diagnostic trouble code?

To fix B2186: Check the integrity of the wiring harness in the door. Check resistance and operation of the switch. Inspect contacts for corrosion. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B2186?

Limited driving only, diagnose soon

How much does it cost to fix B2186?

The estimated repair cost for B2186 is $33–111. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat