OBD Guide

B1649

Seat Driver Recline Forward Circuit Short To Battery

B1649 is an OBD-II diagnostic trouble code meaning: Seat Driver Recline Forward Circuit Short To Battery. Common causes: damage to the wiring harness in the seat area, seat tilt motor short circuit. Estimated repair cost: $56–167.

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

Symptoms

  • Lack of response to driver's seat tilt adjustment
  • Seat adjustment circuit fuse blown
  • The appearance of a burning smell
  • Circuit protection system tripped

Causes

  • Damage to the wiring harness in the seat area
  • Seat tilt motor short circuit
  • Contact of wires with metal parts
  • Short circuit in the adjustment circuit connectors

How to Fix

  1. Check the seat adjustment circuit fuse
  2. Visually inspect the wiring harness at the seat
  3. Check the integrity of the wires using a multimeter
  4. Check the operation of the tilt motor
  5. Replace damaged wires or connectors
  6. Eliminate short circuit
  7. Clean and reinstall circuit connectors

Related codes

FAQ

What does the B1649 code mean?

B1649 is an OBD-II diagnostic trouble code that indicates: Seat Driver Recline Forward Circuit Short To Battery

What causes a B1649 error code?

The most common causes of B1649 include: Damage to the wiring harness in the seat area; Seat tilt motor short circuit; Contact of wires with metal parts; Short circuit in the adjustment circuit connectors.

How do I fix a B1649 diagnostic trouble code?

To fix B1649: Check the seat adjustment circuit fuse. Visually inspect the wiring harness at the seat. Check the integrity of the wires using a multimeter. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B1649?

Limited driving only, diagnose soon

How much does it cost to fix B1649?

The estimated repair cost for B1649 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat