OBD Guide
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B1D73

Seat Rear Vertical Position Sensor Circuit

B1D73 is an OBD-II diagnostic trouble code meaning: Seat Rear Vertical Position Sensor Circuit. Common causes: broken wires in the sensor circuit, poor contact in connectors. Estimated repair cost: $56–167.

Severity
✅ Low
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • Seat position memory does not work
  • Automatic seat adjustment does not function
  • Seat memory system indicator flashes
  • The seat does not move in one direction

Causes

  • Broken wires in the sensor circuit
  • Poor contact in connectors
  • Position sensor malfunction
  • Wiring harness damage
  • Problems with the seat control unit

How to Fix

  1. Check the integrity of the wires in the sensor circuit
  2. Inspect and clean the connector contacts
  3. Check the resistance of the position sensor (compare with the standards)
  4. Replace sensor if necessary
  5. Check the operation of the seat control unit

Related codes

B1D71B1D72B1D74

FAQ

What does the B1D73 code mean?

B1D73 is an OBD-II diagnostic trouble code that indicates: Seat Rear Vertical Position Sensor Circuit

What causes a B1D73 error code?

The most common causes of B1D73 include: Broken wires in the sensor circuit; Poor contact in connectors; Position sensor malfunction; Wiring harness damage.

How do I fix a B1D73 diagnostic trouble code?

To fix B1D73: Check the integrity of the wires in the sensor circuit. Inspect and clean the connector contacts. Check the resistance of the position sensor (compare with the standards). For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B1D73?

Yes, but get it checked soon

How much does it cost to fix B1D73?

The estimated repair cost for B1D73 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat