OBD Guide

B1B8D

Driver Seat Track Position Sensor Circuit Low

B1B8D is an OBD-II diagnostic trouble code meaning: Driver Seat Track Position Sensor Circuit Low. Common causes: seat position sensor malfunction, open or short circuit in wiring harness. Estimated repair cost: $56–167.

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

Symptoms

  • Error message on the dashboard
  • Incorrect operation of seat position memory
  • Problems with automatic mirror adjustment
  • Security warning

Causes

  • Seat position sensor malfunction
  • Open or short circuit in wiring harness
  • Oxidation or damage to connectors
  • Problems with the security control unit
  • Poor circuit grounding

How to Fix

  1. Carry out diagnostics with a scanner to confirm the code
  2. Visually inspect the sensor wiring harness and connectors
  3. Check the resistance and voltage at the sensor
  4. If necessary, replace the position sensor
  5. Clean or replace damaged connectors
  6. Check the continuity of the circuit to the control unit
  7. Reset the error and check the system operation

Related codes

FAQ

What does the B1B8D code mean?

B1B8D is an OBD-II diagnostic trouble code that indicates: Driver Seat Track Position Sensor Circuit Low

What causes a B1B8D error code?

The most common causes of B1B8D include: Seat position sensor malfunction; Open or short circuit in wiring harness; Oxidation or damage to connectors; Problems with the security control unit.

How do I fix a B1B8D diagnostic trouble code?

To fix B1B8D: Carry out diagnostics with a scanner to confirm the code. Visually inspect the sensor wiring harness and connectors. Check the resistance and voltage at the sensor. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B1B8D?

Do not drive — repair immediately

How much does it cost to fix B1B8D?

The estimated repair cost for B1B8D is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat