OBD Guide
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B1E46

3rd Row Seat Right Backrest Control Circuit Performance

B1E46 is an OBD-II diagnostic trouble code meaning: 3rd Row Seat Right Backrest Control Circuit Performance. Common causes: open/short circuit in wiring harness, drive motor malfunction. Estimated repair cost: $56–167.

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

Symptoms

  • 3rd row right backrest adjustment does not work
  • Intermittent operation of the tilt mechanism
  • The airbag malfunction indicator comes on

Causes

  • Open/short circuit in wiring harness
  • Drive motor malfunction
  • Mechanical jamming of the mechanism
  • Problems with the seat control unit
  • Corrosion of connector contacts

How to Fix

  1. Check the integrity of the wiring harness to the mechanism
  2. Check power and ground at the motor connector
  3. Inspect the mechanism for mechanical damage
  4. Test the drive motor
  5. If necessary, replace faulty components

Related codes

B1E45B1E47B1E48

FAQ

What does the B1E46 code mean?

B1E46 is an OBD-II diagnostic trouble code that indicates: 3rd Row Seat Right Backrest Control Circuit Performance

What causes a B1E46 error code?

The most common causes of B1E46 include: Open/short circuit in wiring harness; Drive motor malfunction; Mechanical jamming of the mechanism; Problems with the seat control unit.

How do I fix a B1E46 diagnostic trouble code?

To fix B1E46: Check the integrity of the wiring harness to the mechanism. Check power and ground at the motor connector. Inspect the mechanism for mechanical damage. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B1E46?

Do not drive — repair immediately

How much does it cost to fix B1E46?

The estimated repair cost for B1E46 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat