OBD Guide
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B18E5

Power Liftgate Front Zone Switch Stuck

B18E5 is an OBD-II diagnostic trouble code meaning: Power Liftgate Front Zone Switch Stuck. Common causes: mechanical stuck limit switch, open or short circuit in wiring harness. Estimated repair cost: $56–167.

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

Symptoms

  • Incorrect operation of the rear door electric drive
  • Spontaneous opening/closing of doors
  • Power Liftgate System Failure

Causes

  • Mechanical stuck limit switch
  • Open or short circuit in wiring harness
  • Corrosion of switch contacts
  • Control unit malfunction

How to Fix

  1. Check the condition of the limit switch
  2. Check the integrity of the wiring harness
  3. Clean switch contacts
  4. Replace the faulty switch
  5. Check and, if necessary, replace the control unit

Related codes

B18E6B18E7B18E8

FAQ

What does the B18E5 code mean?

B18E5 is an OBD-II diagnostic trouble code that indicates: Power Liftgate Front Zone Switch Stuck

What causes a B18E5 error code?

The most common causes of B18E5 include: Mechanical stuck limit switch; Open or short circuit in wiring harness; Corrosion of switch contacts; Control unit malfunction.

How do I fix a B18E5 diagnostic trouble code?

To fix B18E5: Check the condition of the limit switch. Check the integrity of the wiring harness. Clean switch contacts. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B18E5?

Limited driving only, diagnose soon

How much does it cost to fix B18E5?

The estimated repair cost for B18E5 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat