OBD Guide

B1E29

3rd Row Seat Normal/Stow Switch Circuit High

B1E29 is an OBD-II diagnostic trouble code meaning: 3rd Row Seat Normal/Stow Switch Circuit High. Common causes: short circuit to positive in the wiring harness, seat position switch malfunction. Estimated repair cost: $56–167.

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

Symptoms

  • Airbag malfunction indicator light is on
  • Inability to activate certain seat modes
  • Errors in the diagnostic system

Causes

  • Short circuit to positive in the wiring harness
  • Seat position switch malfunction
  • Damaged or corroded contacts
  • Problems with the airbag control unit

How to Fix

  1. Check the continuity and resistance of the switch circuit
  2. Inspect the wiring harness for damage
  3. Test the operation of the seat switch
  4. Check connections and grounding
  5. If necessary, replace the switch or repair the wiring harness

Related codes

FAQ

What does the B1E29 code mean?

B1E29 is an OBD-II diagnostic trouble code that indicates: 3rd Row Seat Normal/Stow Switch Circuit High

What causes a B1E29 error code?

The most common causes of B1E29 include: Short circuit to positive in the wiring harness; Seat position switch malfunction; Damaged or corroded contacts; Problems with the airbag control unit.

How do I fix a B1E29 diagnostic trouble code?

To fix B1E29: Check the continuity and resistance of the switch circuit. Inspect the wiring harness for damage. Test the operation of the seat switch. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B1E29?

Do not drive — repair immediately

How much does it cost to fix B1E29?

The estimated repair cost for B1E29 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat