OBD Guide
ENFRDEESPT

B1657

Seat Driver Rear Up Circuit Short To Battery

B1657 is an OBD-II diagnostic trouble code meaning: Seat Driver Rear Up Circuit Short To Battery. Common causes: wiring harness damage, seat lift motor malfunction. Estimated repair cost: $56–167.

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

Symptoms

  • The driver's rear seat lift mechanism does not work
  • The malfunction indicator on the instrument panel lights up
  • Possible problems with other comfort systems

Causes

  • Wiring harness damage
  • Seat lift motor malfunction
  • Short circuit in the circuit
  • Problems with the control unit

How to Fix

  1. Check wiring harness for damage
  2. Check the seat lift motor
  3. Check circuit for short circuit
  4. If necessary, replace faulty components
  5. Reset the error and check the system operation

Related codes

B1658B1659B1660

FAQ

What does the B1657 code mean?

B1657 is an OBD-II diagnostic trouble code that indicates: Seat Driver Rear Up Circuit Short To Battery

What causes a B1657 error code?

The most common causes of B1657 include: Wiring harness damage; Seat lift motor malfunction; Short circuit in the circuit; Problems with the control unit.

How do I fix a B1657 diagnostic trouble code?

To fix B1657: Check wiring harness for damage. Check the seat lift motor. Check circuit for short circuit. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B1657?

Limited driving only, diagnose soon

How much does it cost to fix B1657?

The estimated repair cost for B1657 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

FRDEESPT

See also: Russian version · NationStat