OBD Guide
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B1730

Seat Driver Rear Down Switch Circuit Open

B1730 is an OBD-II diagnostic trouble code meaning: Seat Driver Rear Down Switch Circuit Open. Common causes: broken wiring, switch failure. Estimated repair cost: $22–56.

Severity
✅ Low
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$22–56 (est.)

Symptoms

  • Rear driver's seat lowering function does not work
  • Error indication on the instrument panel

Causes

  • Broken wiring
  • Switch failure
  • Wiring harness damage
  • Contact corrosion

How to Fix

  1. Check the continuity of the switch circuit
  2. Inspect contacts for corrosion
  3. Check switch operation
  4. Replace damaged wires or switch

Related codes

B1731B1732

FAQ

What does the B1730 code mean?

B1730 is an OBD-II diagnostic trouble code that indicates: Seat Driver Rear Down Switch Circuit Open

What causes a B1730 error code?

The most common causes of B1730 include: Broken wiring; Switch failure; Wiring harness damage; Contact corrosion.

How do I fix a B1730 diagnostic trouble code?

To fix B1730: Check the continuity of the switch circuit. Inspect contacts for corrosion. Check switch operation. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B1730?

Yes, but get it checked soon

How much does it cost to fix B1730?

The estimated repair cost for B1730 is $22–56. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat