OBD Guide

B1E3D

3rd Row Seat Fold/Tailgate Switch Circuit Low

B1E3D is an OBD-II diagnostic trouble code meaning: 3rd Row Seat Fold/Tailgate Switch Circuit Low. Common causes: folding seat/tailgate switch malfunction, open or short circuit in wiring harness. Estimated repair cost: $56–167.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • The folding of the third row of seats does not work
  • The trunk door does not respond to the switch
  • The malfunction indicator on the dashboard lights up

Causes

  • Folding seat/tailgate switch malfunction
  • Open or short circuit in wiring harness
  • Poor contact in connectors
  • Body Control Module (BCM) Malfunction

How to Fix

  1. Check the switch for mechanical damage
  2. Check the integrity of the wiring harness and contacts
  3. Test the voltage in the switch circuit
  4. If necessary, replace the switch or repair the wiring harness
  5. Check and update BCM software

Related codes

FAQ

What does the B1E3D code mean?

B1E3D is an OBD-II diagnostic trouble code that indicates: 3rd Row Seat Fold/Tailgate Switch Circuit Low

What causes a B1E3D error code?

The most common causes of B1E3D include: Folding seat/tailgate switch malfunction; Open or short circuit in wiring harness; Poor contact in connectors; Body Control Module (BCM) Malfunction.

How do I fix a B1E3D diagnostic trouble code?

To fix B1E3D: Check the switch for mechanical damage. Check the integrity of the wiring harness and contacts. Test the voltage in the switch circuit. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B1E3D?

Yes, but get it checked soon

How much does it cost to fix B1E3D?

The estimated repair cost for B1E3D is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat