OBD Guide

B1E4A

3rd Row Seat Right Backrest Position Sensor Circuit High

B1E4A is an OBD-II diagnostic trouble code meaning: 3rd Row Seat Right Backrest Position Sensor Circuit High. Common causes: short circuit in the sensor circuit, sensor circuit open. Estimated repair cost: $56–167.

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

Symptoms

  • Incorrect operation of airbags
  • Error message on the dashboard
  • Problems with the passive safety system

Causes

  • Short circuit in the sensor circuit
  • Sensor circuit open
  • Seat back position sensor malfunction
  • Wiring harness damage
  • Problems with the control unit

How to Fix

  1. Check the integrity of the wiring harness
  2. Check the sensor signal level
  3. Replace the seat back position sensor if necessary
  4. Check the control unit for errors
  5. Clear error memory after repair

Related codes

FAQ

What does the B1E4A code mean?

B1E4A is an OBD-II diagnostic trouble code that indicates: 3rd Row Seat Right Backrest Position Sensor Circuit High

What causes a B1E4A error code?

The most common causes of B1E4A include: Short circuit in the sensor circuit; Sensor circuit open; Seat back position sensor malfunction; Wiring harness damage.

How do I fix a B1E4A diagnostic trouble code?

To fix B1E4A: Check the integrity of the wiring harness. Check the sensor signal level. Replace the seat back position sensor if necessary. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B1E4A?

Limited driving only, diagnose soon

How much does it cost to fix B1E4A?

The estimated repair cost for B1E4A is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat