OBD Guide
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B1718

Seat Driver Forward Switch Circuit Open

B1718 is an OBD-II diagnostic trouble code meaning: Seat Driver Forward Switch Circuit Open. Common causes: broken or damaged wiring, seat position switch malfunction. Estimated repair cost: $56–167.

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

Symptoms

  • Driver's seat cannot be adjusted
  • The seat does not remember the position
  • The malfunction indicator on the instrument panel lights up

Causes

  • Broken or damaged wiring
  • Seat position switch malfunction
  • Problems with the seat control module
  • Contact corrosion

How to Fix

  1. Check the integrity of the wiring and wiring harness
  2. Check the seat position switch for damage
  3. Check contacts for corrosion and clean if necessary
  4. Replace the switch or control module if a fault is detected

Related codes

B1717B1719

FAQ

What does the B1718 code mean?

B1718 is an OBD-II diagnostic trouble code that indicates: Seat Driver Forward Switch Circuit Open

What causes a B1718 error code?

The most common causes of B1718 include: Broken or damaged wiring; Seat position switch malfunction; Problems with the seat control module; Contact corrosion.

How do I fix a B1718 diagnostic trouble code?

To fix B1718: Check the integrity of the wiring and wiring harness. Check the seat position switch for damage. Check contacts for corrosion and clean if necessary. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B1718?

Limited driving only, diagnose soon

How much does it cost to fix B1718?

The estimated repair cost for B1718 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat