OBD Guide
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B1750

Driver Seat Rear Down Switch Circuit

B1750 is an OBD-II diagnostic trouble code meaning: Driver Seat Rear Down Switch Circuit. Common causes: open or short circuit in the switch circuit, wear of switch contacts. Estimated repair cost: $56–167.

Severity
✅ Low
Can you drive?
Do not drive — repair immediately
Approx. repair cost
$56–167 (est.)

Symptoms

  • Rear seat down adjustment does not work
  • The seat mechanism may jam
  • Comfort system fault indicator flashes

Causes

  • Open or short circuit in the switch circuit
  • Wear of switch contacts
  • Wiring Harness Problems
  • Seat adjustment module malfunction

How to Fix

  1. Check the continuity of the switch circuit
  2. Test the operation of the switch
  3. Inspect the wiring harness for damage
  4. If necessary, replace the switch or adjustment module

Related codes

B1740B1751B1752

FAQ

What does the B1750 code mean?

B1750 is an OBD-II diagnostic trouble code that indicates: Driver Seat Rear Down Switch Circuit

What causes a B1750 error code?

The most common causes of B1750 include: Open or short circuit in the switch circuit; Wear of switch contacts; Wiring Harness Problems; Seat adjustment module malfunction.

How do I fix a B1750 diagnostic trouble code?

To fix B1750: Check the continuity of the switch circuit. Test the operation of the switch. Inspect the wiring harness for damage. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B1750?

Do not drive — repair immediately

How much does it cost to fix B1750?

The estimated repair cost for B1750 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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