OBD Guide
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B1956

Seat Front Up/Down Potentiometer Feedback Circuit Short To Battery

B1956 is an OBD-II diagnostic trouble code meaning: Seat Front Up/Down Potentiometer Feedback Circuit Short To Battery. Common causes: frayed wiring harness in seat mechanism, short circuit in position potentiometer. Estimated repair cost: $56–167.

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

Symptoms

  • Incorrect operation of the electric seat adjustment drive
  • The Security System (SRS) indicator light is on.
  • Seat memory position not saved

Causes

  • Frayed wiring harness in seat mechanism
  • Short circuit in position potentiometer
  • Problems with connector contacts
  • Seat control module malfunction

How to Fix

  1. Visually check the wiring harness for damage
  2. Check potentiometer circuit for short circuit
  3. Check potentiometer resistance
  4. Scan the seat subsystem for additional errors
  5. Replace potentiometer or wiring harness if necessary

Related codes

B1957B1958B1960

FAQ

What does the B1956 code mean?

B1956 is an OBD-II diagnostic trouble code that indicates: Seat Front Up/Down Potentiometer Feedback Circuit Short To Battery

What causes a B1956 error code?

The most common causes of B1956 include: Frayed wiring harness in seat mechanism; Short circuit in position potentiometer; Problems with connector contacts; Seat control module malfunction.

How do I fix a B1956 diagnostic trouble code?

To fix B1956: Visually check the wiring harness for damage. Check potentiometer circuit for short circuit. Check potentiometer resistance. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B1956?

Do not drive — repair immediately

How much does it cost to fix B1956?

The estimated repair cost for B1956 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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