OBD Guide
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B1950

Seat Rear Up/Down Potentiometer Feedback Circuit Failure

B1950 is an OBD-II diagnostic trouble code meaning: Seat Rear Up/Down Potentiometer Feedback Circuit Failure. Common causes: open or short circuit in the potentiometer circuit, potentiometer fault. Estimated repair cost: $56–167.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • Inability to adjust rear seat height
  • The seat is fixed in one position
  • Airbag malfunction indicator flashing

Causes

  • Open or short circuit in the potentiometer circuit
  • Potentiometer fault
  • Poor contact in connectors
  • Wiring harness damage
  • Seat control unit malfunction

How to Fix

  1. Check the integrity of the potentiometer circuit
  2. Inspect connectors and contacts for oxidation or damage
  3. Check potentiometer resistance
  4. Replace potentiometer or wiring harness if necessary
  5. Reset the error and check the system operation

Related codes

B1951B1952B1953

FAQ

What does the B1950 code mean?

B1950 is an OBD-II diagnostic trouble code that indicates: Seat Rear Up/Down Potentiometer Feedback Circuit Failure

What causes a B1950 error code?

The most common causes of B1950 include: Open or short circuit in the potentiometer circuit; Potentiometer fault; Poor contact in connectors; Wiring harness damage.

How do I fix a B1950 diagnostic trouble code?

To fix B1950: Check the integrity of the potentiometer circuit. Inspect connectors and contacts for oxidation or damage. Check potentiometer resistance. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B1950?

Limited driving only, diagnose soon

How much does it cost to fix B1950?

The estimated repair cost for B1950 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat