OBD Guide

B1951

Seat Rear Up/Down Potentiometer Feedback Circuit Open

B1951 is an OBD-II diagnostic trouble code meaning: Seat Rear Up/Down Potentiometer Feedback Circuit Open. Common causes: broken wiring harness to potentiometer, short circuit in the circuit. Estimated repair cost: $56–167.

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

Symptoms

  • Rear seat cannot be adjusted up/down
  • Seat memory indicator flashing
  • Storing incorrect seat positions in memory

Causes

  • Broken wiring harness to potentiometer
  • Short circuit in the circuit
  • Oxidation of connector contacts
  • Potentiometer fault
  • Problems with the seat control unit

How to Fix

  1. Check the integrity of the wiring harness
  2. Clean the contacts of the potentiometer connector
  3. Check potentiometer resistance
  4. Replace position sensor if necessary
  5. Check the operation of the seat control unit

Related codes

FAQ

What does the B1951 code mean?

B1951 is an OBD-II diagnostic trouble code that indicates: Seat Rear Up/Down Potentiometer Feedback Circuit Open

What causes a B1951 error code?

The most common causes of B1951 include: Broken wiring harness to potentiometer; Short circuit in the circuit; Oxidation of connector contacts; Potentiometer fault.

How do I fix a B1951 diagnostic trouble code?

To fix B1951: Check the integrity of the wiring harness. Clean the contacts of the potentiometer connector. Check potentiometer resistance. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B1951?

Yes, but get it checked soon

How much does it cost to fix B1951?

The estimated repair cost for B1951 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat