OBD Guide
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B1D6B

Seat Horizontal Position Sensor Circuit

B1D6B is an OBD-II diagnostic trouble code meaning: Seat Horizontal Position Sensor Circuit. Common causes: open or short circuit in the sensor circuit, seat position sensor malfunction. Estimated repair cost: $56–167.

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

Symptoms

  • The passive safety system fault indicator is on
  • Seat position memory does not work
  • The seat does not automatically move to the set position

Causes

  • Open or short circuit in the sensor circuit
  • Seat position sensor malfunction
  • Wiring harness damage
  • Connector problems or contact corrosion

How to Fix

  1. Check the continuity of the sensor circuit using a multimeter
  2. Inspect connectors and contacts for damage or corrosion
  3. Check sensor resistance in different seat positions
  4. Replace the sensor or wiring harness if a fault is detected
  5. Reset the error and check if it returns

Related codes

B1D6AB1D6CB1D6D

FAQ

What does the B1D6B code mean?

B1D6B is an OBD-II diagnostic trouble code that indicates: Seat Horizontal Position Sensor Circuit

What causes a B1D6B error code?

The most common causes of B1D6B include: Open or short circuit in the sensor circuit; Seat position sensor malfunction; Wiring harness damage; Connector problems or contact corrosion.

How do I fix a B1D6B diagnostic trouble code?

To fix B1D6B: Check the continuity of the sensor circuit using a multimeter. Inspect connectors and contacts for damage or corrosion. Check sensor resistance in different seat positions. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B1D6B?

Do not drive — repair immediately

How much does it cost to fix B1D6B?

The estimated repair cost for B1D6B is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat