OBD Guide

B1D83

Seat Rear Vertical Motor Control Circuit Performance

B1D83 is an OBD-II diagnostic trouble code meaning: Seat Rear Vertical Motor Control Circuit Performance. Common causes: open or shorted wiring harness, motor fault. Estimated repair cost: $22–167.

Severity
⚠️ Medium
Can you drive?
Do not drive — repair immediately
Approx. repair cost
$22–167 (est.)

Symptoms

  • No response to vertical seat adjustment
  • Seat motor intermittent operation
  • Clicking or buzzing noise without seat movement

Causes

  • Open or shorted wiring harness
  • Motor fault
  • Fuse or relay problems
  • Contact corrosion
  • Seat control module malfunction

How to Fix

  1. Check the integrity of the wiring harness to the engine
  2. Test the motor on direct power
  3. Check circuit fuses and relays
  4. Clean or replace connectors
  5. Scan and reflash the control module if necessary

Related codes

FAQ

What does the B1D83 code mean?

B1D83 is an OBD-II diagnostic trouble code that indicates: Seat Rear Vertical Motor Control Circuit Performance

What causes a B1D83 error code?

The most common causes of B1D83 include: Open or shorted wiring harness; Motor fault; Fuse or relay problems; Contact corrosion.

How do I fix a B1D83 diagnostic trouble code?

To fix B1D83: Check the integrity of the wiring harness to the engine. Test the motor on direct power. Check circuit fuses and relays. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B1D83?

Do not drive — repair immediately

How much does it cost to fix B1D83?

The estimated repair cost for B1D83 is $22–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat