OBD Guide

B1772

Seat Driver Backward Circuit Short To Ground

B1772 is an OBD-II diagnostic trouble code meaning: Seat Driver Backward Circuit Short To Ground. Common causes: damage to the wiring harness in the seat area, short circuit in seat position sensor. Estimated repair cost: $56–167.

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

Symptoms

  • Inability to adjust the rear position of the driver's seat
  • Airbag light flashing
  • Restraint system error message on the dashboard

Causes

  • Damage to the wiring harness in the seat area
  • Short circuit in seat position sensor
  • Corrosion of connector contacts
  • Malfunction of the siunakanee control unit

How to Fix

  1. Check wiring harness for damage
  2. Test the seat position sensor
  3. Clean the connector contacts
  4. If necessary, replace the control unit

Related codes

FAQ

What does the B1772 code mean?

B1772 is an OBD-II diagnostic trouble code that indicates: Seat Driver Backward Circuit Short To Ground

What causes a B1772 error code?

The most common causes of B1772 include: Damage to the wiring harness in the seat area; Short circuit in seat position sensor; Corrosion of connector contacts; Malfunction of the siunakanee control unit.

How do I fix a B1772 diagnostic trouble code?

To fix B1772: Check wiring harness for damage. Test the seat position sensor. Clean the connector contacts. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B1772?

Limited driving only, diagnose soon

How much does it cost to fix B1772?

The estimated repair cost for B1772 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat